219430660

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{8971}}^1$

素因数の和:10203

約数の個数: 24

約数和(自身を含む): 461232576

約数和(自身を除く): 241801916

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 4892, 6115, 8971, 12230, 17942, 24460, 35884, 44855, 89710, 179420, 10971533, 21943066, 43886132, 54857665, 109715330, 219430660]

約数ペア:

[(1, 219430660), (2, 109715330), (4, 54857665), (5, 43886132), (10, 21943066), (20, 10971533), (1223, 179420), (2446, 89710), (4892, 44855), (6115, 35884), (8971, 24460), (12230, 17942)]