149772020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{35491}}^1$

素因数の和:35711

約数の個数: 24

約数和(自身を含む): 316020768

約数和(自身を除く): 166248748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 35491, 70982, 141964, 177455, 354910, 709820, 7488601, 14977202, 29954404, 37443005, 74886010, 149772020]

約数ペア:

[(1, 149772020), (2, 74886010), (4, 37443005), (5, 29954404), (10, 14977202), (20, 7488601), (211, 709820), (422, 354910), (844, 177455), (1055, 141964), (2110, 70982), (4220, 35491)]