149148980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181889}}^1$

素因数の和:181939

約数の個数: 24

約数和(自身を含む): 320853960

約数和(自身を除く): 171704980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 181889, 363778, 727556, 909445, 1818890, 3637780, 7457449, 14914898, 29829796, 37287245, 74574490, 149148980]

約数ペア:

[(1, 149148980), (2, 74574490), (4, 37287245), (5, 29829796), (10, 14914898), (20, 7457449), (41, 3637780), (82, 1818890), (164, 909445), (205, 727556), (410, 363778), (820, 181889)]