239622020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1089191}}^1$

素因数の和:1089211

約数の個数: 24

約数和(自身を含む): 548952768

約数和(自身を除く): 309330748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1089191, 2178382, 4356764, 5445955, 10891910, 11981101, 21783820, 23962202, 47924404, 59905505, 119811010, 239622020]

約数ペア:

[(1, 239622020), (2, 119811010), (4, 59905505), (5, 47924404), (10, 23962202), (11, 21783820), (20, 11981101), (22, 10891910), (44, 5445955), (55, 4356764), (110, 2178382), (220, 1089191)]