78935560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 199946880

約数和(自身を除く): 121011320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 121, 188, 220, 235, 242, 347, 376, 440, 470, 484, 517, 605, 694, 940, 968, 1034, 1210, 1388, 1735, 1880, 2068, 2420, 2585, 2776, 3470, 3817, 4136, 4840, 5170, 5687, 6940, 7634, 10340, 11374, 13880, 15268, 16309, 19085, 20680, 22748, 28435, 30536, 32618, 38170, 41987, 45496, 56870, 65236, 76340, 81545, 83974, 113740, 130472, 152680, 163090, 167948, 179399, 209935, 227480, 326180, 335896, 358798, 419870, 652360, 717596, 839740, 896995, 1435192, 1679480, 1793990, 1973389, 3587980, 3946778, 7175960, 7893556, 9866945, 15787112, 19733890, 39467780, 78935560]

約数ペア:

[(1, 78935560), (2, 39467780), (4, 19733890), (5, 15787112), (8, 9866945), (10, 7893556), (11, 7175960), (20, 3946778), (22, 3587980), (40, 1973389), (44, 1793990), (47, 1679480), (55, 1435192), (88, 896995), (94, 839740), (110, 717596), (121, 652360), (188, 419870), (220, 358798), (235, 335896), (242, 326180), (347, 227480), (376, 209935), (440, 179399), (470, 167948), (484, 163090), (517, 152680), (605, 130472), (694, 113740), (940, 83974), (968, 81545), (1034, 76340), (1210, 65236), (1388, 56870), (1735, 45496), (1880, 41987), (2068, 38170), (2420, 32618), (2585, 30536), (2776, 28435), (3470, 22748), (3817, 20680), (4136, 19085), (4840, 16309), (5170, 15268), (5687, 13880), (6940, 11374), (7634, 10340)]