247326680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199457}}^1$

素因数の和:199499

約数の個数: 32

約数和(自身を含む): 574439040

約数和(自身を除く): 327112360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 199457, 398914, 797828, 997285, 1595656, 1994570, 3989140, 6183167, 7978280, 12366334, 24732668, 30915835, 49465336, 61831670, 123663340, 247326680]

約数ペア:

[(1, 247326680), (2, 123663340), (4, 61831670), (5, 49465336), (8, 30915835), (10, 24732668), (20, 12366334), (31, 7978280), (40, 6183167), (62, 3989140), (124, 1994570), (155, 1595656), (248, 997285), (310, 797828), (620, 398914), (1240, 199457)]