A287011 Amicable numbers (m, n) with record low values of m/n.

220, 284, 280540, 365084, 319550, 430402, 4532710, 6135962, 938304290, 1344480478, 14840132450, 21445545118, 35049418250, 54192685558, 20568863440125, 32021343142659, 92371445691525, 154378742017851

Offset: 1

Author

Amiram Eldar, Aug 31 2017

Keywords

• nonn

Comments

The 2 members in each pair are adjacent to each other in the sequence.

The pairs were found using Sergei Chernykh's Amicable pair list. There are no other pairs with lesser member < 10^18.

Examples

			The ratios m/n are
220/284 = 0.774...
280540/365084 = 0.768...
319550/430402 = 0.742...
4532710/6135962 = 0.738...
938304290/1344480478 = 0.697...
14840132450/21445545118 = 0.691...
35049418250/54192685558 = 0.646...
20568863440125/32021343142659 = 0.642...
92371445691525/154378742017851 = 0.598...
		

Links

• Sergei Chernykh, Amicable pairs list.
• Shyam Sunder Gupta, Amicable Numbers.

Crossrefs

Cf. A063990, A287026.