405012970

素因数分解:

$2^1\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{18917}}^1$

素因数の和:21065

約数の個数: 16

約数和(自身を含む): 729402408

約数和(自身を除く): 324389438

約数列:

[1, 2, 5, 10, 2141, 4282, 10705, 18917, 21410, 37834, 94585, 189170, 40501297, 81002594, 202506485, 405012970]

約数ペア:

[(1, 405012970), (2, 202506485), (5, 81002594), (10, 40501297), (2141, 189170), (4282, 94585), (10705, 37834), (18917, 21410)]