258715820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1175981}}^1$

素因数の和:1176001

約数の個数: 24

約数和(自身を含む): 592694928

約数和(自身を除く): 333979108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1175981, 2351962, 4703924, 5879905, 11759810, 12935791, 23519620, 25871582, 51743164, 64678955, 129357910, 258715820]

約数ペア:

[(1, 258715820), (2, 129357910), (4, 64678955), (5, 51743164), (10, 25871582), (11, 23519620), (20, 12935791), (22, 11759810), (44, 5879905), (55, 4703924), (110, 2351962), (220, 1175981)]