28429850

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{7789}}^1$

素因数の和:7874

約数の個数: 24

約数和(自身を含む): 53610780

約数和(自身を除く): 25180930

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 7789, 15578, 38945, 77890, 194725, 389450, 568597, 1137194, 2842985, 5685970, 14214925, 28429850]

約数ペア:

[(1, 28429850), (2, 14214925), (5, 5685970), (10, 2842985), (25, 1137194), (50, 568597), (73, 389450), (146, 194725), (365, 77890), (730, 38945), (1825, 15578), (3650, 7789)]