17868080

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1499}}^1$

素因数の和:1661

約数の個数: 40

約数和(自身を含む): 41850000

約数和(自身を除く): 23981920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 1499, 2384, 2980, 2998, 5960, 5996, 7495, 11920, 11992, 14990, 23984, 29980, 59960, 119920, 223351, 446702, 893404, 1116755, 1786808, 2233510, 3573616, 4467020, 8934040, 17868080]

約数ペア:

[(1, 17868080), (2, 8934040), (4, 4467020), (5, 3573616), (8, 2233510), (10, 1786808), (16, 1116755), (20, 893404), (40, 446702), (80, 223351), (149, 119920), (298, 59960), (596, 29980), (745, 23984), (1192, 14990), (1490, 11992), (1499, 11920), (2384, 7495), (2980, 5996), (2998, 5960)]