217781010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:684

約数の個数: 96

約数和(自身を含む): 590269680

約数和(自身を除く): 372488670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 181, 261, 290, 362, 435, 461, 522, 543, 870, 905, 922, 1086, 1305, 1383, 1629, 1810, 2305, 2610, 2715, 2766, 3258, 4149, 4610, 5249, 5430, 6915, 8145, 8298, 10498, 13369, 13830, 15747, 16290, 20745, 26245, 26738, 31494, 40107, 41490, 47241, 52490, 66845, 78735, 80214, 83441, 94482, 120321, 133690, 157470, 166882, 200535, 236205, 240642, 250323, 401070, 417205, 472410, 500646, 601605, 750969, 834410, 1203210, 1251615, 1501938, 2419789, 2503230, 3754845, 4839578, 7259367, 7509690, 12098945, 14518734, 21778101, 24197890, 36296835, 43556202, 72593670, 108890505, 217781010]

約数ペア:

[(1, 217781010), (2, 108890505), (3, 72593670), (5, 43556202), (6, 36296835), (9, 24197890), (10, 21778101), (15, 14518734), (18, 12098945), (29, 7509690), (30, 7259367), (45, 4839578), (58, 3754845), (87, 2503230), (90, 2419789), (145, 1501938), (174, 1251615), (181, 1203210), (261, 834410), (290, 750969), (362, 601605), (435, 500646), (461, 472410), (522, 417205), (543, 401070), (870, 250323), (905, 240642), (922, 236205), (1086, 200535), (1305, 166882), (1383, 157470), (1629, 133690), (1810, 120321), (2305, 94482), (2610, 83441), (2715, 80214), (2766, 78735), (3258, 66845), (4149, 52490), (4610, 47241), (5249, 41490), (5430, 40107), (6915, 31494), (8145, 26738), (8298, 26245), (10498, 20745), (13369, 16290), (13830, 15747)]