7893400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 18681840

約数和(自身を除く): 10788440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 647, 1220, 1294, 1525, 2440, 2588, 3050, 3235, 5176, 6100, 6470, 12200, 12940, 16175, 25880, 32350, 39467, 64700, 78934, 129400, 157868, 197335, 315736, 394670, 789340, 986675, 1578680, 1973350, 3946700, 7893400]

約数ペア:

[(1, 7893400), (2, 3946700), (4, 1973350), (5, 1578680), (8, 986675), (10, 789340), (20, 394670), (25, 315736), (40, 197335), (50, 157868), (61, 129400), (100, 78934), (122, 64700), (200, 39467), (244, 32350), (305, 25880), (488, 16175), (610, 12940), (647, 12200), (1220, 6470), (1294, 6100), (1525, 5176), (2440, 3235), (2588, 3050)]