1990354912

素因数分解:

$2^5\times 7^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 5257224000

約数和(自身を除く): 3266869088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 37, 49, 52, 56, 58, 74, 91, 98, 104, 112, 116, 148, 169, 182, 196, 203, 208, 224, 232, 259, 296, 338, 343, 364, 377, 392, 406, 416, 464, 481, 518, 592, 637, 676, 686, 728, 754, 784, 812, 928, 962, 1036, 1073, 1183, 1184, 1274, 1352, 1372, 1421, 1456, 1508, 1568, 1624, 1813, 1924, 2072, 2146, 2366, 2548, 2639, 2704, 2744, 2842, 2912, 3016, 3248, 3367, 3626, 3848, 4144, 4292, 4459, 4732, 4901, 5096, 5278, 5408, 5488, 5684, 6032, 6253, 6496, 6734, 7252, 7511, 7696, 8281, 8288, 8584, 8918, 9464, 9802, 9947, 10192, 10556, 10976, 11368, 12064, 12506, 12691, 13468, 13949, 14504, 15022, 15392, 16562, 17168, 17836, 18473, 18928, 19604, 19894, 20384, 21112, 22736, 23569, 25012, 25382, 26936, 27898, 29008, 30044, 33124, 34307, 34336, 35672, 36946, 37856, 39208, 39788, 42224, 43771, 45472, 47138, 50024, 50764, 52577, 53872, 55796, 57967, 58016, 60088, 66248, 68614, 71344, 73892, 78416, 79576, 84448, 87542, 94276, 97643, 100048, 101528, 105154, 107744, 111592, 115934, 120176, 129311, 132496, 137228, 142688, 147784, 156832, 159152, 164983, 175084, 181337, 188552, 195286, 200096, 203056, 210308, 223184, 231868, 240149, 240352, 258622, 264992, 274456, 295568, 306397, 318304, 329966, 350168, 362674, 368039, 377104, 390572, 406112, 420616, 446368, 463736, 480298, 517244, 548912, 591136, 612794, 659932, 683501, 700336, 725348, 736078, 754208, 781144, 841232, 927472, 960596, 1034488, 1097824, 1225588, 1269359, 1319864, 1367002, 1400672, 1450696, 1472156, 1562288, 1681043, 1682464, 1854944, 1921192, 2068976, 2144779, 2451176, 2538718, 2639728, 2734004, 2901392, 2944312, 3124576, 3362086, 3842384, 4137952, 4289558, 4784507, 4902352, 5077436, 5279456, 5468008, 5802784, 5888624, 6724172, 7684768, 8579116, 8885513, 9569014, 9804704, 10154872, 10936016, 11777248, 13448344, 17158232, 17771026, 19138028, 20309744, 21872032, 26896688, 34316464, 35542052, 38276056, 40619488, 53793376, 62198591, 68632928, 71084104, 76552112, 124397182, 142168208, 153104224, 248794364, 284336416, 497588728, 995177456, 1990354912]

約数ペア:

[(1, 1990354912), (2, 995177456), (4, 497588728), (7, 284336416), (8, 248794364), (13, 153104224), (14, 142168208), (16, 124397182), (26, 76552112), (28, 71084104), (29, 68632928), (32, 62198591), (37, 53793376), (49, 40619488), (52, 38276056), (56, 35542052), (58, 34316464), (74, 26896688), (91, 21872032), (98, 20309744), (104, 19138028), (112, 17771026), (116, 17158232), (148, 13448344), (169, 11777248), (182, 10936016), (196, 10154872), (203, 9804704), (208, 9569014), (224, 8885513), (232, 8579116), (259, 7684768), (296, 6724172), (338, 5888624), (343, 5802784), (364, 5468008), (377, 5279456), (392, 5077436), (406, 4902352), (416, 4784507), (464, 4289558), (481, 4137952), (518, 3842384), (592, 3362086), (637, 3124576), (676, 2944312), (686, 2901392), (728, 2734004), (754, 2639728), (784, 2538718), (812, 2451176), (928, 2144779), (962, 2068976), (1036, 1921192), (1073, 1854944), (1183, 1682464), (1184, 1681043), (1274, 1562288), (1352, 1472156), (1372, 1450696), (1421, 1400672), (1456, 1367002), (1508, 1319864), (1568, 1269359), (1624, 1225588), (1813, 1097824), (1924, 1034488), (2072, 960596), (2146, 927472), (2366, 841232), (2548, 781144), (2639, 754208), (2704, 736078), (2744, 725348), (2842, 700336), (2912, 683501), (3016, 659932), (3248, 612794), (3367, 591136), (3626, 548912), (3848, 517244), (4144, 480298), (4292, 463736), (4459, 446368), (4732, 420616), (4901, 406112), (5096, 390572), (5278, 377104), (5408, 368039), (5488, 362674), (5684, 350168), (6032, 329966), (6253, 318304), (6496, 306397), (6734, 295568), (7252, 274456), (7511, 264992), (7696, 258622), (8281, 240352), (8288, 240149), (8584, 231868), (8918, 223184), (9464, 210308), (9802, 203056), (9947, 200096), (10192, 195286), (10556, 188552), (10976, 181337), (11368, 175084), (12064, 164983), (12506, 159152), (12691, 156832), (13468, 147784), (13949, 142688), (14504, 137228), (15022, 132496), (15392, 129311), (16562, 120176), (17168, 115934), (17836, 111592), (18473, 107744), (18928, 105154), (19604, 101528), (19894, 100048), (20384, 97643), (21112, 94276), (22736, 87542), (23569, 84448), (25012, 79576), (25382, 78416), (26936, 73892), (27898, 71344), (29008, 68614), (30044, 66248), (33124, 60088), (34307, 58016), (34336, 57967), (35672, 55796), (36946, 53872), (37856, 52577), (39208, 50764), (39788, 50024), (42224, 47138), (43771, 45472)]