1405090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2057

約数の個数: 16

約数和(自身を含む): 2566080

約数和(自身を除く): 1160990

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1979, 3958, 9895, 19790, 140509, 281018, 702545, 1405090]

約数ペア:

[(1, 1405090), (2, 702545), (5, 281018), (10, 140509), (71, 19790), (142, 9895), (355, 3958), (710, 1979)]