1990456776

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 288

約数和(自身を含む): 6851819520

約数和(自身を除く): 4861362744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 121, 126, 127, 132, 154, 168, 198, 231, 242, 252, 254, 257, 264, 308, 363, 381, 396, 462, 484, 504, 508, 514, 616, 693, 726, 762, 771, 792, 847, 889, 924, 968, 1016, 1028, 1089, 1143, 1386, 1397, 1452, 1524, 1542, 1694, 1778, 1799, 1848, 2056, 2178, 2286, 2313, 2541, 2667, 2772, 2794, 2827, 2904, 3048, 3084, 3388, 3556, 3598, 4191, 4356, 4572, 4626, 5082, 5334, 5397, 5544, 5588, 5654, 6168, 6776, 7112, 7196, 7623, 8001, 8382, 8481, 8712, 9144, 9252, 9779, 10164, 10668, 10794, 11176, 11308, 12573, 14392, 15246, 15367, 16002, 16191, 16764, 16962, 18504, 19558, 19789, 20328, 21336, 21588, 22616, 25146, 25443, 29337, 30492, 30734, 31097, 32004, 32382, 32639, 33528, 33924, 39116, 39578, 43176, 46101, 50292, 50886, 58674, 59367, 60984, 61468, 62194, 64008, 64764, 65278, 67848, 78232, 79156, 88011, 92202, 93291, 97917, 100584, 101772, 107569, 117348, 118734, 122936, 124388, 129528, 130556, 138303, 158312, 176022, 178101, 184404, 186582, 195834, 203544, 215138, 217679, 228473, 234696, 237468, 248776, 261112, 276606, 279873, 293751, 322707, 352044, 356202, 359029, 368808, 373164, 391668, 430276, 435358, 456946, 474936, 553212, 559746, 587502, 645414, 653037, 685419, 704088, 712404, 718058, 746328, 783336, 860552, 870716, 913892, 968121, 1077087, 1106424, 1119492, 1175004, 1290828, 1306074, 1370838, 1424808, 1436116, 1741432, 1827784, 1936242, 1959111, 2056257, 2154174, 2238984, 2350008, 2513203, 2581656, 2612148, 2741676, 2872232, 3231261, 3872484, 3918222, 3949319, 4112514, 4308348, 5026406, 5224296, 5483352, 6462522, 7539609, 7744968, 7836444, 7898638, 8225028, 8616696, 10052812, 11847957, 12925044, 15079218, 15672888, 15797276, 16450056, 20105624, 22618827, 23695914, 25850088, 27645233, 30158436, 31594552, 35543871, 45237654, 47391828, 55290466, 60316872, 71087742, 82935699, 90475308, 94783656, 110580932, 142175484, 165871398, 180950616, 221161864, 248807097, 284350968, 331742796, 497614194, 663485592, 995228388, 1990456776]

約数ペア:

[(1, 1990456776), (2, 995228388), (3, 663485592), (4, 497614194), (6, 331742796), (7, 284350968), (8, 248807097), (9, 221161864), (11, 180950616), (12, 165871398), (14, 142175484), (18, 110580932), (21, 94783656), (22, 90475308), (24, 82935699), (28, 71087742), (33, 60316872), (36, 55290466), (42, 47391828), (44, 45237654), (56, 35543871), (63, 31594552), (66, 30158436), (72, 27645233), (77, 25850088), (84, 23695914), (88, 22618827), (99, 20105624), (121, 16450056), (126, 15797276), (127, 15672888), (132, 15079218), (154, 12925044), (168, 11847957), (198, 10052812), (231, 8616696), (242, 8225028), (252, 7898638), (254, 7836444), (257, 7744968), (264, 7539609), (308, 6462522), (363, 5483352), (381, 5224296), (396, 5026406), (462, 4308348), (484, 4112514), (504, 3949319), (508, 3918222), (514, 3872484), (616, 3231261), (693, 2872232), (726, 2741676), (762, 2612148), (771, 2581656), (792, 2513203), (847, 2350008), (889, 2238984), (924, 2154174), (968, 2056257), (1016, 1959111), (1028, 1936242), (1089, 1827784), (1143, 1741432), (1386, 1436116), (1397, 1424808), (1452, 1370838), (1524, 1306074), (1542, 1290828), (1694, 1175004), (1778, 1119492), (1799, 1106424), (1848, 1077087), (2056, 968121), (2178, 913892), (2286, 870716), (2313, 860552), (2541, 783336), (2667, 746328), (2772, 718058), (2794, 712404), (2827, 704088), (2904, 685419), (3048, 653037), (3084, 645414), (3388, 587502), (3556, 559746), (3598, 553212), (4191, 474936), (4356, 456946), (4572, 435358), (4626, 430276), (5082, 391668), (5334, 373164), (5397, 368808), (5544, 359029), (5588, 356202), (5654, 352044), (6168, 322707), (6776, 293751), (7112, 279873), (7196, 276606), (7623, 261112), (8001, 248776), (8382, 237468), (8481, 234696), (8712, 228473), (9144, 217679), (9252, 215138), (9779, 203544), (10164, 195834), (10668, 186582), (10794, 184404), (11176, 178101), (11308, 176022), (12573, 158312), (14392, 138303), (15246, 130556), (15367, 129528), (16002, 124388), (16191, 122936), (16764, 118734), (16962, 117348), (18504, 107569), (19558, 101772), (19789, 100584), (20328, 97917), (21336, 93291), (21588, 92202), (22616, 88011), (25146, 79156), (25443, 78232), (29337, 67848), (30492, 65278), (30734, 64764), (31097, 64008), (32004, 62194), (32382, 61468), (32639, 60984), (33528, 59367), (33924, 58674), (39116, 50886), (39578, 50292), (43176, 46101)]