669609820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3043681}}^1$

素因数の和:3043701

約数の個数: 24

約数和(自身を含む): 1534015728

約数和(自身を除く): 864405908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3043681, 6087362, 12174724, 15218405, 30436810, 33480491, 60873620, 66960982, 133921964, 167402455, 334804910, 669609820]

約数ペア:

[(1, 669609820), (2, 334804910), (4, 167402455), (5, 133921964), (10, 66960982), (11, 60873620), (20, 33480491), (22, 30436810), (44, 15218405), (55, 12174724), (110, 6087362), (220, 3043681)]