90913840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 220968000

約数和(自身を除く): 130054160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 149, 232, 263, 290, 298, 464, 526, 580, 596, 745, 1052, 1160, 1192, 1315, 1490, 2104, 2320, 2384, 2630, 2980, 4208, 4321, 5260, 5960, 7627, 8642, 10520, 11920, 15254, 17284, 21040, 21605, 30508, 34568, 38135, 39187, 43210, 61016, 69136, 76270, 78374, 86420, 122032, 152540, 156748, 172840, 195935, 305080, 313496, 345680, 391870, 610160, 626992, 783740, 1136423, 1567480, 2272846, 3134960, 4545692, 5682115, 9091384, 11364230, 18182768, 22728460, 45456920, 90913840]

約数ペア:

[(1, 90913840), (2, 45456920), (4, 22728460), (5, 18182768), (8, 11364230), (10, 9091384), (16, 5682115), (20, 4545692), (29, 3134960), (40, 2272846), (58, 1567480), (80, 1136423), (116, 783740), (145, 626992), (149, 610160), (232, 391870), (263, 345680), (290, 313496), (298, 305080), (464, 195935), (526, 172840), (580, 156748), (596, 152540), (745, 122032), (1052, 86420), (1160, 78374), (1192, 76270), (1315, 69136), (1490, 61016), (2104, 43210), (2320, 39187), (2384, 38135), (2630, 34568), (2980, 30508), (4208, 21605), (4321, 21040), (5260, 17284), (5960, 15254), (7627, 11920), (8642, 10520)]