855740090

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{171491}}^1$

素因数の和:171997

約数の個数: 16

約数和(自身を含む): 1543428000

約数和(自身を除く): 687687910

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 171491, 342982, 857455, 1714910, 85574009, 171148018, 427870045, 855740090]

約数ペア:

[(1, 855740090), (2, 427870045), (5, 171148018), (10, 85574009), (499, 1714910), (998, 857455), (2495, 342982), (4990, 171491)]