204900620

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{14249}}^1$

素因数の和:14977

約数の個数: 24

約数和(自身を含む): 430920000

約数和(自身を除く): 226019380

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2876, 3595, 7190, 14249, 14380, 28498, 56996, 71245, 142490, 284980, 10245031, 20490062, 40980124, 51225155, 102450310, 204900620]

約数ペア:

[(1, 204900620), (2, 102450310), (4, 51225155), (5, 40980124), (10, 20490062), (20, 10245031), (719, 284980), (1438, 142490), (2876, 71245), (3595, 56996), (7190, 28498), (14249, 14380)]