9905150

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:908

約数の個数: 24

約数和(自身を含む): 18507000

約数和(自身を除く): 8601850

約数列:

[1, 2, 5, 10, 25, 50, 397, 499, 794, 998, 1985, 2495, 3970, 4990, 9925, 12475, 19850, 24950, 198103, 396206, 990515, 1981030, 4952575, 9905150]

約数ペア:

[(1, 9905150), (2, 4952575), (5, 1981030), (10, 990515), (25, 396206), (50, 198103), (397, 24950), (499, 19850), (794, 12475), (998, 9925), (1985, 4990), (2495, 3970)]