1405871710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1980101}}^1$

素因数の和:1980179

約数の個数: 16

約数和(自身を含む): 2566212192

約数和(自身を除く): 1160340482

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1980101, 3960202, 9900505, 19801010, 140587171, 281174342, 702935855, 1405871710]

約数ペア:

[(1, 1405871710), (2, 702935855), (5, 281174342), (10, 140587171), (71, 19801010), (142, 9900505), (355, 3960202), (710, 1980101)]