869240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 2021760

約数和(自身を除く): 1152520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 701, 1240, 1402, 2804, 3505, 5608, 7010, 14020, 21731, 28040, 43462, 86924, 108655, 173848, 217310, 434620, 869240]

約数ペア:

[(1, 869240), (2, 434620), (4, 217310), (5, 173848), (8, 108655), (10, 86924), (20, 43462), (31, 28040), (40, 21731), (62, 14020), (124, 7010), (155, 5608), (248, 3505), (310, 2804), (620, 1402), (701, 1240)]