678492584

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2071

約数の個数: 128

約数和(自身を含む): 1728000000

約数和(自身を除く): 1049507416

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 29, 38, 44, 56, 58, 76, 77, 88, 116, 133, 152, 154, 203, 209, 232, 266, 308, 319, 406, 418, 532, 551, 616, 638, 812, 836, 1064, 1102, 1276, 1463, 1624, 1672, 1999, 2204, 2233, 2552, 2926, 3857, 3998, 4408, 4466, 5852, 6061, 7714, 7996, 8932, 11704, 12122, 13993, 15428, 15992, 17864, 21989, 24244, 27986, 30856, 37981, 42427, 43978, 48488, 55972, 57971, 75962, 84854, 87956, 111944, 115942, 151924, 153923, 169708, 175912, 231884, 265867, 303848, 307846, 339416, 405797, 417791, 463768, 531734, 615692, 637681, 811594, 835582, 1063468, 1101449, 1231384, 1275362, 1623188, 1671164, 2126936, 2202898, 2550724, 2924537, 3246376, 3342328, 4405796, 4463767, 5101448, 5849074, 7710143, 8811592, 8927534, 11698148, 12115939, 15420286, 17855068, 23396296, 24231878, 30840572, 35710136, 48463756, 61681144, 84811573, 96927512, 169623146, 339246292, 678492584]

約数ペア:

[(1, 678492584), (2, 339246292), (4, 169623146), (7, 96927512), (8, 84811573), (11, 61681144), (14, 48463756), (19, 35710136), (22, 30840572), (28, 24231878), (29, 23396296), (38, 17855068), (44, 15420286), (56, 12115939), (58, 11698148), (76, 8927534), (77, 8811592), (88, 7710143), (116, 5849074), (133, 5101448), (152, 4463767), (154, 4405796), (203, 3342328), (209, 3246376), (232, 2924537), (266, 2550724), (308, 2202898), (319, 2126936), (406, 1671164), (418, 1623188), (532, 1275362), (551, 1231384), (616, 1101449), (638, 1063468), (812, 835582), (836, 811594), (1064, 637681), (1102, 615692), (1276, 531734), (1463, 463768), (1624, 417791), (1672, 405797), (1999, 339416), (2204, 307846), (2233, 303848), (2552, 265867), (2926, 231884), (3857, 175912), (3998, 169708), (4408, 153923), (4466, 151924), (5852, 115942), (6061, 111944), (7714, 87956), (7996, 84854), (8932, 75962), (11704, 57971), (12122, 55972), (13993, 48488), (15428, 43978), (15992, 42427), (17864, 37981), (21989, 30856), (24244, 27986)]