68942660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47221}}^1$

素因数の和:47303

約数の個数: 24

約数和(自身を含む): 146765976

約数和(自身を除く): 77823316

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 47221, 94442, 188884, 236105, 472210, 944420, 3447133, 6894266, 13788532, 17235665, 34471330, 68942660]

約数ペア:

[(1, 68942660), (2, 34471330), (4, 17235665), (5, 13788532), (10, 6894266), (20, 3447133), (73, 944420), (146, 472210), (292, 236105), (365, 188884), (730, 94442), (1460, 47221)]