188980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 433440

約数和(自身を除く): 244460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 859, 1718, 3436, 4295, 8590, 9449, 17180, 18898, 37796, 47245, 94490, 188980]

約数ペア:

[(1, 188980), (2, 94490), (4, 47245), (5, 37796), (10, 18898), (11, 17180), (20, 9449), (22, 8590), (44, 4295), (55, 3436), (110, 1718), (220, 859)]