123663340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199457}}^1$

素因数の和:199497

約数の個数: 24

約数和(自身を含む): 268071552

約数和(自身を除く): 144408212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 199457, 398914, 797828, 997285, 1994570, 3989140, 6183167, 12366334, 24732668, 30915835, 61831670, 123663340]

約数ペア:

[(1, 123663340), (2, 61831670), (4, 30915835), (5, 24732668), (10, 12366334), (20, 6183167), (31, 3989140), (62, 1994570), (124, 997285), (155, 797828), (310, 398914), (620, 199457)]