221542010

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{312031}}^1$

素因数の和:312109

約数の個数: 16

約数和(自身を含む): 404393472

約数和(自身を除く): 182851462

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 312031, 624062, 1560155, 3120310, 22154201, 44308402, 110771005, 221542010]

約数ペア:

[(1, 221542010), (2, 110771005), (5, 44308402), (10, 22154201), (71, 3120310), (142, 1560155), (355, 624062), (710, 312031)]