280621838

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 512967168

約数和(自身を除く): 232345330

約数列:

[1, 2, 7, 14, 37, 61, 74, 83, 107, 122, 166, 214, 259, 427, 518, 581, 749, 854, 1162, 1498, 2257, 3071, 3959, 4514, 5063, 6142, 6527, 7918, 8881, 10126, 13054, 15799, 17762, 21497, 27713, 31598, 35441, 42994, 45689, 55426, 62167, 70882, 91378, 124334, 187331, 241499, 328597, 374662, 482998, 541741, 657194, 1083482, 1311317, 1690493, 2300179, 2622634, 3380986, 3792187, 4600358, 7584374, 20044417, 40088834, 140310919, 280621838]

約数ペア:

[(1, 280621838), (2, 140310919), (7, 40088834), (14, 20044417), (37, 7584374), (61, 4600358), (74, 3792187), (83, 3380986), (107, 2622634), (122, 2300179), (166, 1690493), (214, 1311317), (259, 1083482), (427, 657194), (518, 541741), (581, 482998), (749, 374662), (854, 328597), (1162, 241499), (1498, 187331), (2257, 124334), (3071, 91378), (3959, 70882), (4514, 62167), (5063, 55426), (6142, 45689), (6527, 42994), (7918, 35441), (8881, 31598), (10126, 27713), (13054, 21497), (15799, 17762)]