249896020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1135891}}^1$

素因数の和:1135911

約数の個数: 24

約数和(自身を含む): 572489568

約数和(自身を除く): 322593548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1135891, 2271782, 4543564, 5679455, 11358910, 12494801, 22717820, 24989602, 49979204, 62474005, 124948010, 249896020]

約数ペア:

[(1, 249896020), (2, 124948010), (4, 62474005), (5, 49979204), (10, 24989602), (11, 22717820), (20, 12494801), (22, 11358910), (44, 5679455), (55, 4543564), (110, 2271782), (220, 1135891)]