2019793780

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{422551}}^1$

素因数の和:422799

約数の個数: 24

約数和(自身を含む): 4259324160

約数和(自身を除く): 2239530380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 422551, 845102, 1690204, 2112755, 4225510, 8451020, 100989689, 201979378, 403958756, 504948445, 1009896890, 2019793780]

約数ペア:

[(1, 2019793780), (2, 1009896890), (4, 504948445), (5, 403958756), (10, 201979378), (20, 100989689), (239, 8451020), (478, 4225510), (956, 2112755), (1195, 1690204), (2390, 845102), (4780, 422551)]