249999264

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 780393600

約数和(自身を除く): 530394336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 97, 108, 114, 144, 152, 157, 171, 194, 216, 228, 288, 291, 304, 314, 342, 388, 432, 456, 471, 513, 582, 608, 628, 684, 776, 864, 873, 912, 942, 1026, 1164, 1256, 1368, 1413, 1552, 1746, 1824, 1843, 1884, 2052, 2328, 2512, 2619, 2736, 2826, 2983, 3104, 3492, 3686, 3768, 4104, 4239, 4656, 5024, 5238, 5472, 5529, 5652, 5966, 6984, 7372, 7536, 8208, 8478, 8949, 9312, 10476, 11058, 11304, 11932, 13968, 14744, 15072, 15229, 16416, 16587, 16956, 17898, 20952, 22116, 22608, 23864, 26847, 27936, 29488, 30458, 33174, 33912, 35796, 41904, 44232, 45216, 45687, 47728, 49761, 53694, 58976, 60916, 66348, 67824, 71592, 80541, 83808, 88464, 91374, 95456, 99522, 107388, 121832, 132696, 135648, 137061, 143184, 161082, 176928, 182748, 199044, 214776, 243664, 265392, 274122, 286368, 289351, 322164, 365496, 398088, 411183, 429552, 487328, 530784, 548244, 578702, 644328, 730992, 796176, 822366, 859104, 868053, 1096488, 1157404, 1288656, 1461984, 1592352, 1644732, 1736106, 2192976, 2314808, 2577312, 2604159, 3289464, 3472212, 4385952, 4629616, 5208318, 6578928, 6944424, 7812477, 9259232, 10416636, 13157856, 13888848, 15624954, 20833272, 27777696, 31249908, 41666544, 62499816, 83333088, 124999632, 249999264]

約数ペア:

[(1, 249999264), (2, 124999632), (3, 83333088), (4, 62499816), (6, 41666544), (8, 31249908), (9, 27777696), (12, 20833272), (16, 15624954), (18, 13888848), (19, 13157856), (24, 10416636), (27, 9259232), (32, 7812477), (36, 6944424), (38, 6578928), (48, 5208318), (54, 4629616), (57, 4385952), (72, 3472212), (76, 3289464), (96, 2604159), (97, 2577312), (108, 2314808), (114, 2192976), (144, 1736106), (152, 1644732), (157, 1592352), (171, 1461984), (194, 1288656), (216, 1157404), (228, 1096488), (288, 868053), (291, 859104), (304, 822366), (314, 796176), (342, 730992), (388, 644328), (432, 578702), (456, 548244), (471, 530784), (513, 487328), (582, 429552), (608, 411183), (628, 398088), (684, 365496), (776, 322164), (864, 289351), (873, 286368), (912, 274122), (942, 265392), (1026, 243664), (1164, 214776), (1256, 199044), (1368, 182748), (1413, 176928), (1552, 161082), (1746, 143184), (1824, 137061), (1843, 135648), (1884, 132696), (2052, 121832), (2328, 107388), (2512, 99522), (2619, 95456), (2736, 91374), (2826, 88464), (2983, 83808), (3104, 80541), (3492, 71592), (3686, 67824), (3768, 66348), (4104, 60916), (4239, 58976), (4656, 53694), (5024, 49761), (5238, 47728), (5472, 45687), (5529, 45216), (5652, 44232), (5966, 41904), (6984, 35796), (7372, 33912), (7536, 33174), (8208, 30458), (8478, 29488), (8949, 27936), (9312, 26847), (10476, 23864), (11058, 22608), (11304, 22116), (11932, 20952), (13968, 17898), (14744, 16956), (15072, 16587), (15229, 16416)]