478435760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31981}}^1$

素因数の和:32022

約数の個数: 80

約数和(自身を含む): 1284908832

約数和(自身を除く): 806473072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 31981, 63962, 127924, 159905, 255848, 319810, 351791, 511696, 543677, 639620, 703582, 1087354, 1279240, 1407164, 1758955, 2174708, 2558480, 2718385, 2814328, 3517910, 4349416, 5436770, 5628656, 5980447, 7035820, 8698832, 10873540, 11960894, 14071640, 21747080, 23921788, 28143280, 29902235, 43494160, 47843576, 59804470, 95687152, 119608940, 239217880, 478435760]

約数ペア:

[(1, 478435760), (2, 239217880), (4, 119608940), (5, 95687152), (8, 59804470), (10, 47843576), (11, 43494160), (16, 29902235), (17, 28143280), (20, 23921788), (22, 21747080), (34, 14071640), (40, 11960894), (44, 10873540), (55, 8698832), (68, 7035820), (80, 5980447), (85, 5628656), (88, 5436770), (110, 4349416), (136, 3517910), (170, 2814328), (176, 2718385), (187, 2558480), (220, 2174708), (272, 1758955), (340, 1407164), (374, 1279240), (440, 1087354), (680, 703582), (748, 639620), (880, 543677), (935, 511696), (1360, 351791), (1496, 319810), (1870, 255848), (2992, 159905), (3740, 127924), (7480, 63962), (14960, 31981)]