251528004

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 240

約数和(自身を含む): 853776000

約数和(自身を除く): 602247996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 81, 84, 91, 108, 114, 117, 126, 133, 156, 162, 171, 182, 189, 228, 234, 247, 252, 266, 273, 324, 342, 351, 364, 378, 399, 449, 468, 494, 513, 532, 546, 567, 684, 702, 741, 756, 798, 819, 898, 988, 1026, 1053, 1092, 1134, 1197, 1347, 1404, 1482, 1539, 1596, 1638, 1729, 1796, 2052, 2106, 2223, 2268, 2394, 2457, 2694, 2964, 3078, 3143, 3276, 3458, 3591, 4041, 4212, 4446, 4788, 4914, 5187, 5388, 5837, 6156, 6286, 6669, 6916, 7182, 7371, 8082, 8531, 8892, 9429, 9828, 10374, 10773, 11674, 12123, 12572, 13338, 14364, 14742, 15561, 16164, 17062, 17511, 18858, 20007, 20748, 21546, 23348, 24246, 25593, 26676, 28287, 29484, 31122, 34124, 35022, 36369, 37716, 40014, 40859, 43092, 46683, 48492, 51186, 52533, 56574, 59717, 62244, 70044, 72738, 76779, 80028, 81718, 84861, 93366, 102372, 105066, 110903, 113148, 119434, 122577, 140049, 145476, 153558, 157599, 163436, 169722, 179151, 186732, 210132, 221806, 230337, 238868, 245154, 254583, 280098, 307116, 315198, 332709, 339444, 358302, 367731, 443612, 460674, 472797, 490308, 509166, 537453, 560196, 630396, 665418, 691011, 716604, 735462, 776321, 921348, 945594, 998127, 1018332, 1074906, 1103193, 1330836, 1382022, 1470924, 1552642, 1612359, 1891188, 1996254, 2149812, 2206386, 2328963, 2764044, 2994381, 3105284, 3224718, 3309579, 3992508, 4412772, 4657926, 4837077, 5988762, 6449436, 6619158, 6986889, 8983143, 9315852, 9674154, 11977524, 13238316, 13973778, 17966286, 19348308, 20960667, 27947556, 35932572, 41921334, 62882001, 83842668, 125764002, 251528004]

約数ペア:

[(1, 251528004), (2, 125764002), (3, 83842668), (4, 62882001), (6, 41921334), (7, 35932572), (9, 27947556), (12, 20960667), (13, 19348308), (14, 17966286), (18, 13973778), (19, 13238316), (21, 11977524), (26, 9674154), (27, 9315852), (28, 8983143), (36, 6986889), (38, 6619158), (39, 6449436), (42, 5988762), (52, 4837077), (54, 4657926), (57, 4412772), (63, 3992508), (76, 3309579), (78, 3224718), (81, 3105284), (84, 2994381), (91, 2764044), (108, 2328963), (114, 2206386), (117, 2149812), (126, 1996254), (133, 1891188), (156, 1612359), (162, 1552642), (171, 1470924), (182, 1382022), (189, 1330836), (228, 1103193), (234, 1074906), (247, 1018332), (252, 998127), (266, 945594), (273, 921348), (324, 776321), (342, 735462), (351, 716604), (364, 691011), (378, 665418), (399, 630396), (449, 560196), (468, 537453), (494, 509166), (513, 490308), (532, 472797), (546, 460674), (567, 443612), (684, 367731), (702, 358302), (741, 339444), (756, 332709), (798, 315198), (819, 307116), (898, 280098), (988, 254583), (1026, 245154), (1053, 238868), (1092, 230337), (1134, 221806), (1197, 210132), (1347, 186732), (1404, 179151), (1482, 169722), (1539, 163436), (1596, 157599), (1638, 153558), (1729, 145476), (1796, 140049), (2052, 122577), (2106, 119434), (2223, 113148), (2268, 110903), (2394, 105066), (2457, 102372), (2694, 93366), (2964, 84861), (3078, 81718), (3143, 80028), (3276, 76779), (3458, 72738), (3591, 70044), (4041, 62244), (4212, 59717), (4446, 56574), (4788, 52533), (4914, 51186), (5187, 48492), (5388, 46683), (5837, 43092), (6156, 40859), (6286, 40014), (6669, 37716), (6916, 36369), (7182, 35022), (7371, 34124), (8082, 31122), (8531, 29484), (8892, 28287), (9429, 26676), (9828, 25593), (10374, 24246), (10773, 23348), (11674, 21546), (12123, 20748), (12572, 20007), (13338, 18858), (14364, 17511), (14742, 17062), (15561, 16164)]