189097780

素因数分解:

$2^2\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{4441}}^1$

素因数の和:6579

約数の個数: 24

約数和(自身を含む): 397381320

約数和(自身を除く): 208283540

約数列:

[1, 2, 4, 5, 10, 20, 2129, 4258, 4441, 8516, 8882, 10645, 17764, 21290, 22205, 42580, 44410, 88820, 9454889, 18909778, 37819556, 47274445, 94548890, 189097780]

約数ペア:

[(1, 189097780), (2, 94548890), (4, 47274445), (5, 37819556), (10, 18909778), (20, 9454889), (2129, 88820), (4258, 44410), (4441, 42580), (8516, 22205), (8882, 21290), (10645, 17764)]