251234568

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 256

約数和(自身を含む): 840672000

約数和(自身を除く): 589437432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 19, 24, 26, 27, 34, 36, 38, 39, 51, 52, 54, 57, 68, 72, 76, 78, 102, 104, 108, 114, 117, 136, 152, 153, 156, 171, 204, 216, 221, 228, 234, 247, 277, 306, 312, 323, 342, 351, 408, 442, 456, 459, 468, 494, 513, 554, 612, 646, 663, 684, 702, 741, 831, 884, 918, 936, 969, 988, 1026, 1108, 1224, 1292, 1326, 1368, 1404, 1482, 1662, 1768, 1836, 1938, 1976, 1989, 2052, 2216, 2223, 2493, 2584, 2652, 2808, 2907, 2964, 3324, 3601, 3672, 3876, 3978, 4104, 4199, 4446, 4709, 4986, 5263, 5304, 5814, 5928, 5967, 6648, 6669, 7202, 7479, 7752, 7956, 8398, 8721, 8892, 9418, 9972, 10526, 10803, 11628, 11934, 12597, 13338, 14127, 14404, 14958, 15789, 15912, 16796, 17442, 17784, 18836, 19944, 21052, 21606, 23256, 23868, 25194, 26676, 28254, 28808, 29916, 31578, 32409, 33592, 34884, 37672, 37791, 42104, 42381, 43212, 47367, 47736, 50388, 53352, 56508, 59832, 61217, 63156, 64818, 68419, 69768, 75582, 84762, 86424, 89471, 94734, 97227, 100776, 113016, 113373, 122434, 126312, 127143, 129636, 136838, 142101, 151164, 169524, 178942, 183651, 189468, 194454, 205257, 226746, 244868, 254286, 259272, 268413, 273676, 284202, 302328, 339048, 357884, 367302, 378936, 388908, 410514, 453492, 489736, 508572, 536826, 547352, 550953, 568404, 615771, 715768, 734604, 777816, 805239, 821028, 906984, 1017144, 1073652, 1101906, 1136808, 1163123, 1231542, 1469208, 1610478, 1642056, 1652859, 1847313, 2147304, 2203812, 2326246, 2415717, 2463084, 3220956, 3305718, 3489369, 3694626, 4407624, 4652492, 4831434, 4926168, 6441912, 6611436, 6978738, 7389252, 9304984, 9662868, 10468107, 13222872, 13957476, 14778504, 19325736, 20936214, 27914952, 31404321, 41872428, 62808642, 83744856, 125617284, 251234568]

約数ペア:

[(1, 251234568), (2, 125617284), (3, 83744856), (4, 62808642), (6, 41872428), (8, 31404321), (9, 27914952), (12, 20936214), (13, 19325736), (17, 14778504), (18, 13957476), (19, 13222872), (24, 10468107), (26, 9662868), (27, 9304984), (34, 7389252), (36, 6978738), (38, 6611436), (39, 6441912), (51, 4926168), (52, 4831434), (54, 4652492), (57, 4407624), (68, 3694626), (72, 3489369), (76, 3305718), (78, 3220956), (102, 2463084), (104, 2415717), (108, 2326246), (114, 2203812), (117, 2147304), (136, 1847313), (152, 1652859), (153, 1642056), (156, 1610478), (171, 1469208), (204, 1231542), (216, 1163123), (221, 1136808), (228, 1101906), (234, 1073652), (247, 1017144), (277, 906984), (306, 821028), (312, 805239), (323, 777816), (342, 734604), (351, 715768), (408, 615771), (442, 568404), (456, 550953), (459, 547352), (468, 536826), (494, 508572), (513, 489736), (554, 453492), (612, 410514), (646, 388908), (663, 378936), (684, 367302), (702, 357884), (741, 339048), (831, 302328), (884, 284202), (918, 273676), (936, 268413), (969, 259272), (988, 254286), (1026, 244868), (1108, 226746), (1224, 205257), (1292, 194454), (1326, 189468), (1368, 183651), (1404, 178942), (1482, 169524), (1662, 151164), (1768, 142101), (1836, 136838), (1938, 129636), (1976, 127143), (1989, 126312), (2052, 122434), (2216, 113373), (2223, 113016), (2493, 100776), (2584, 97227), (2652, 94734), (2808, 89471), (2907, 86424), (2964, 84762), (3324, 75582), (3601, 69768), (3672, 68419), (3876, 64818), (3978, 63156), (4104, 61217), (4199, 59832), (4446, 56508), (4709, 53352), (4986, 50388), (5263, 47736), (5304, 47367), (5814, 43212), (5928, 42381), (5967, 42104), (6648, 37791), (6669, 37672), (7202, 34884), (7479, 33592), (7752, 32409), (7956, 31578), (8398, 29916), (8721, 28808), (8892, 28254), (9418, 26676), (9972, 25194), (10526, 23868), (10803, 23256), (11628, 21606), (11934, 21052), (12597, 19944), (13338, 18836), (14127, 17784), (14404, 17442), (14958, 16796), (15789, 15912)]