990019968

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 3131089920

約数和(自身を除く): 2141069952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 109, 112, 124, 128, 168, 186, 192, 217, 218, 224, 248, 327, 336, 372, 384, 434, 436, 448, 496, 651, 654, 672, 744, 763, 868, 872, 896, 992, 1302, 1308, 1344, 1488, 1526, 1736, 1744, 1984, 2289, 2604, 2616, 2688, 2976, 3052, 3379, 3472, 3488, 3968, 4578, 5208, 5232, 5952, 6104, 6758, 6944, 6976, 9156, 10137, 10416, 10464, 11881, 11904, 12208, 13516, 13888, 13952, 18312, 20274, 20832, 20928, 23653, 23762, 24416, 27032, 27776, 35643, 36624, 40548, 41664, 41856, 47306, 47524, 48832, 54064, 70959, 71286, 73248, 81096, 83167, 83328, 94612, 95048, 97664, 108128, 141918, 142572, 146496, 162192, 166334, 189224, 190096, 216256, 249501, 283836, 285144, 292992, 324384, 332668, 368311, 378448, 380192, 432512, 499002, 567672, 570288, 648768, 665336, 736622, 756896, 760384, 998004, 1104933, 1135344, 1140576, 1297536, 1330672, 1473244, 1513792, 1520768, 1996008, 2209866, 2270688, 2281152, 2578177, 2661344, 2946488, 3027584, 3992016, 4419732, 4541376, 4562304, 5156354, 5322688, 5892976, 7734531, 7984032, 8839464, 9082752, 10312708, 10645376, 11785952, 15469062, 15968064, 17678928, 20625416, 23571904, 30938124, 31936128, 35357856, 41250832, 47143808, 61876248, 70715712, 82501664, 123752496, 141431424, 165003328, 247504992, 330006656, 495009984, 990019968]

約数ペア:

[(1, 990019968), (2, 495009984), (3, 330006656), (4, 247504992), (6, 165003328), (7, 141431424), (8, 123752496), (12, 82501664), (14, 70715712), (16, 61876248), (21, 47143808), (24, 41250832), (28, 35357856), (31, 31936128), (32, 30938124), (42, 23571904), (48, 20625416), (56, 17678928), (62, 15968064), (64, 15469062), (84, 11785952), (93, 10645376), (96, 10312708), (109, 9082752), (112, 8839464), (124, 7984032), (128, 7734531), (168, 5892976), (186, 5322688), (192, 5156354), (217, 4562304), (218, 4541376), (224, 4419732), (248, 3992016), (327, 3027584), (336, 2946488), (372, 2661344), (384, 2578177), (434, 2281152), (436, 2270688), (448, 2209866), (496, 1996008), (651, 1520768), (654, 1513792), (672, 1473244), (744, 1330672), (763, 1297536), (868, 1140576), (872, 1135344), (896, 1104933), (992, 998004), (1302, 760384), (1308, 756896), (1344, 736622), (1488, 665336), (1526, 648768), (1736, 570288), (1744, 567672), (1984, 499002), (2289, 432512), (2604, 380192), (2616, 378448), (2688, 368311), (2976, 332668), (3052, 324384), (3379, 292992), (3472, 285144), (3488, 283836), (3968, 249501), (4578, 216256), (5208, 190096), (5232, 189224), (5952, 166334), (6104, 162192), (6758, 146496), (6944, 142572), (6976, 141918), (9156, 108128), (10137, 97664), (10416, 95048), (10464, 94612), (11881, 83328), (11904, 83167), (12208, 81096), (13516, 73248), (13888, 71286), (13952, 70959), (18312, 54064), (20274, 48832), (20832, 47524), (20928, 47306), (23653, 41856), (23762, 41664), (24416, 40548), (27032, 36624), (27776, 35643)]