290810960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17393}}^1$

素因数の和:17436

約数の個数: 80

約数和(自身を含む): 776468160

約数和(自身を除く): 485657200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 17393, 34786, 69572, 86965, 139144, 173930, 191323, 278288, 330467, 347860, 382646, 660934, 695720, 765292, 956615, 1321868, 1391440, 1530584, 1652335, 1913230, 2643736, 3061168, 3304670, 3635137, 3826460, 5287472, 6609340, 7270274, 7652920, 13218680, 14540548, 15305840, 18175685, 26437360, 29081096, 36351370, 58162192, 72702740, 145405480, 290810960]

約数ペア:

[(1, 290810960), (2, 145405480), (4, 72702740), (5, 58162192), (8, 36351370), (10, 29081096), (11, 26437360), (16, 18175685), (19, 15305840), (20, 14540548), (22, 13218680), (38, 7652920), (40, 7270274), (44, 6609340), (55, 5287472), (76, 3826460), (80, 3635137), (88, 3304670), (95, 3061168), (110, 2643736), (152, 1913230), (176, 1652335), (190, 1530584), (209, 1391440), (220, 1321868), (304, 956615), (380, 765292), (418, 695720), (440, 660934), (760, 382646), (836, 347860), (880, 330467), (1045, 278288), (1520, 191323), (1672, 173930), (2090, 139144), (3344, 86965), (4180, 69572), (8360, 34786), (16720, 17393)]