1990494576

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:656

約数の個数: 240

約数和(自身を含む): 6644664000

約数和(自身を除く): 4654169424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 56, 58, 63, 72, 84, 87, 112, 116, 126, 144, 149, 168, 174, 203, 232, 252, 261, 298, 336, 348, 406, 447, 457, 464, 504, 522, 596, 609, 696, 812, 894, 914, 1008, 1043, 1044, 1192, 1218, 1341, 1371, 1392, 1624, 1788, 1827, 1828, 2086, 2088, 2384, 2436, 2682, 2742, 3129, 3199, 3248, 3576, 3654, 3656, 4113, 4172, 4176, 4321, 4872, 5364, 5484, 6258, 6398, 7152, 7308, 7312, 8226, 8344, 8642, 9387, 9597, 9744, 10728, 10968, 12516, 12796, 12963, 13253, 14616, 16452, 16688, 17284, 18774, 19194, 21456, 21936, 25032, 25592, 25926, 26506, 28791, 29232, 30247, 32904, 34568, 37548, 38388, 38889, 39759, 50064, 51184, 51852, 53012, 57582, 60494, 65808, 68093, 69136, 75096, 76776, 77778, 79518, 90741, 92771, 103704, 106024, 115164, 119277, 120988, 136186, 150192, 153552, 155556, 159036, 181482, 185542, 204279, 207408, 212048, 230328, 238554, 241976, 272223, 272372, 278313, 311112, 318072, 362964, 371084, 408558, 460656, 476651, 477108, 483952, 544446, 544744, 556626, 612837, 622224, 636144, 725928, 742168, 817116, 834939, 953302, 954216, 1088892, 1089488, 1113252, 1225674, 1429953, 1451856, 1484336, 1634232, 1669878, 1906604, 1908432, 1974697, 2177784, 2226504, 2451348, 2859906, 3268464, 3339756, 3813208, 3949394, 4289859, 4355568, 4453008, 4902696, 5719812, 5924091, 6679512, 7626416, 7898788, 8579718, 9805392, 11439624, 11848182, 13359024, 13822879, 15797576, 17159436, 17772273, 22879248, 23696364, 27645758, 31595152, 34318872, 35544546, 41468637, 47392728, 55291516, 68637744, 71089092, 82937274, 94785456, 110583032, 124405911, 142178184, 165874548, 221166064, 248811822, 284356368, 331749096, 497623644, 663498192, 995247288, 1990494576]

約数ペア:

[(1, 1990494576), (2, 995247288), (3, 663498192), (4, 497623644), (6, 331749096), (7, 284356368), (8, 248811822), (9, 221166064), (12, 165874548), (14, 142178184), (16, 124405911), (18, 110583032), (21, 94785456), (24, 82937274), (28, 71089092), (29, 68637744), (36, 55291516), (42, 47392728), (48, 41468637), (56, 35544546), (58, 34318872), (63, 31595152), (72, 27645758), (84, 23696364), (87, 22879248), (112, 17772273), (116, 17159436), (126, 15797576), (144, 13822879), (149, 13359024), (168, 11848182), (174, 11439624), (203, 9805392), (232, 8579718), (252, 7898788), (261, 7626416), (298, 6679512), (336, 5924091), (348, 5719812), (406, 4902696), (447, 4453008), (457, 4355568), (464, 4289859), (504, 3949394), (522, 3813208), (596, 3339756), (609, 3268464), (696, 2859906), (812, 2451348), (894, 2226504), (914, 2177784), (1008, 1974697), (1043, 1908432), (1044, 1906604), (1192, 1669878), (1218, 1634232), (1341, 1484336), (1371, 1451856), (1392, 1429953), (1624, 1225674), (1788, 1113252), (1827, 1089488), (1828, 1088892), (2086, 954216), (2088, 953302), (2384, 834939), (2436, 817116), (2682, 742168), (2742, 725928), (3129, 636144), (3199, 622224), (3248, 612837), (3576, 556626), (3654, 544744), (3656, 544446), (4113, 483952), (4172, 477108), (4176, 476651), (4321, 460656), (4872, 408558), (5364, 371084), (5484, 362964), (6258, 318072), (6398, 311112), (7152, 278313), (7308, 272372), (7312, 272223), (8226, 241976), (8344, 238554), (8642, 230328), (9387, 212048), (9597, 207408), (9744, 204279), (10728, 185542), (10968, 181482), (12516, 159036), (12796, 155556), (12963, 153552), (13253, 150192), (14616, 136186), (16452, 120988), (16688, 119277), (17284, 115164), (18774, 106024), (19194, 103704), (21456, 92771), (21936, 90741), (25032, 79518), (25592, 77778), (25926, 76776), (26506, 75096), (28791, 69136), (29232, 68093), (30247, 65808), (32904, 60494), (34568, 57582), (37548, 53012), (38388, 51852), (38889, 51184), (39759, 50064)]