142850290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1\times {\mathrm{1171}}^1$

素因数の和:2298

約数の個数: 32

約数和(自身を含む): 280998720

約数和(自身を除く): 138148430

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1109, 1171, 2218, 2342, 5545, 5855, 11090, 11710, 12199, 12881, 24398, 25762, 60995, 64405, 121990, 128810, 1298639, 2597278, 6493195, 12986390, 14285029, 28570058, 71425145, 142850290]

約数ペア:

[(1, 142850290), (2, 71425145), (5, 28570058), (10, 14285029), (11, 12986390), (22, 6493195), (55, 2597278), (110, 1298639), (1109, 128810), (1171, 121990), (2218, 64405), (2342, 60995), (5545, 25762), (5855, 24398), (11090, 12881), (11710, 12199)]