918220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 1991808

約数和(自身を除く): 1073588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1481, 2962, 5924, 7405, 14810, 29620, 45911, 91822, 183644, 229555, 459110, 918220]

約数ペア:

[(1, 918220), (2, 459110), (4, 229555), (5, 183644), (10, 91822), (20, 45911), (31, 29620), (62, 14810), (124, 7405), (155, 5924), (310, 2962), (620, 1481)]