2278480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 5580000

約数和(自身を除く): 3301520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1499, 1520, 2998, 5996, 7495, 11992, 14990, 23984, 28481, 29980, 56962, 59960, 113924, 119920, 142405, 227848, 284810, 455696, 569620, 1139240, 2278480]

約数ペア:

[(1, 2278480), (2, 1139240), (4, 569620), (5, 455696), (8, 284810), (10, 227848), (16, 142405), (19, 119920), (20, 113924), (38, 59960), (40, 56962), (76, 29980), (80, 28481), (95, 23984), (152, 14990), (190, 11992), (304, 7495), (380, 5996), (760, 2998), (1499, 1520)]