3999978.00000000

素因数分解:

$2^6\times 5^1\times {\mathrm{307}}^1\times {\mathrm{757}}^1$

素因数の和:1081

約数の個数: 56

約数和(自身を含む): 177899568

約数和(自身を除く): 103531888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 307, 320, 614, 757, 1228, 1514, 1535, 2456, 3028, 3070, 3785, 4912, 6056, 6140, 7570, 9824, 12112, 12280, 15140, 19648, 24224, 24560, 30280, 48448, 49120, 60560, 98240, 121120, 232399, 242240, 464798, 929596, 1161995, 1859192, 2323990, 3718384, 4647980, 7436768, 9295960, 14873536, 18591920, 37183840, 74367680]

約数ペア:

[(1, 74367680), (2, 37183840), (4, 18591920), (5, 14873536), (8, 9295960), (10, 7436768), (16, 4647980), (20, 3718384), (32, 2323990), (40, 1859192), (64, 1161995), (80, 929596), (160, 464798), (307, 242240), (320, 232399), (614, 121120), (757, 98240), (1228, 60560), (1514, 49120), (1535, 48448), (2456, 30280), (3028, 24560), (3070, 24224), (3785, 19648), (4912, 15140), (6056, 12280), (6140, 12112), (7570, 9824)]