121856980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{870407}}^1$

素因数の和:870423

約数の個数: 24

約数和(自身を含む): 292457088

約数和(自身を除く): 170600108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 870407, 1740814, 3481628, 4352035, 6092849, 8704070, 12185698, 17408140, 24371396, 30464245, 60928490, 121856980]

約数ペア:

[(1, 121856980), (2, 60928490), (4, 30464245), (5, 24371396), (7, 17408140), (10, 12185698), (14, 8704070), (20, 6092849), (28, 4352035), (35, 3481628), (70, 1740814), (140, 870407)]