99955220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 217945728

約数和(自身を除く): 117990508

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1420, 1637, 3053, 3274, 6106, 6548, 8185, 12212, 15265, 16370, 30530, 32740, 61060, 70391, 116227, 140782, 232454, 281564, 351955, 464908, 581135, 703910, 1162270, 1407820, 2324540, 4997761, 9995522, 19991044, 24988805, 49977610, 99955220]

約数ペア:

[(1, 99955220), (2, 49977610), (4, 24988805), (5, 19991044), (10, 9995522), (20, 4997761), (43, 2324540), (71, 1407820), (86, 1162270), (142, 703910), (172, 581135), (215, 464908), (284, 351955), (355, 281564), (430, 232454), (710, 140782), (860, 116227), (1420, 70391), (1637, 61060), (3053, 32740), (3274, 30530), (6106, 16370), (6548, 15265), (8185, 12212)]