238220980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{85691}}^1$

素因数の和:85839

約数の個数: 24

約数和(自身を含む): 503868960

約数和(自身を除く): 265647980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 85691, 171382, 342764, 428455, 856910, 1713820, 11911049, 23822098, 47644196, 59555245, 119110490, 238220980]

約数ペア:

[(1, 238220980), (2, 119110490), (4, 59555245), (5, 47644196), (10, 23822098), (20, 11911049), (139, 1713820), (278, 856910), (556, 428455), (695, 342764), (1390, 171382), (2780, 85691)]