838390784

素因数分解:

$2^{10}\times 7^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 220

約数和(自身を含む): 2201720448

約数和(自身を除く): 1363329664

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 64, 77, 88, 98, 112, 124, 128, 154, 176, 196, 217, 224, 248, 256, 308, 341, 343, 352, 392, 434, 448, 496, 512, 539, 616, 682, 686, 704, 784, 868, 896, 992, 1024, 1078, 1232, 1364, 1372, 1408, 1519, 1568, 1736, 1792, 1984, 2156, 2387, 2401, 2464, 2728, 2744, 2816, 3038, 3136, 3472, 3584, 3773, 3968, 4312, 4774, 4802, 4928, 5456, 5488, 5632, 6076, 6272, 6944, 7168, 7546, 7936, 8624, 9548, 9604, 9856, 10633, 10912, 10976, 11264, 12152, 12544, 13888, 15092, 15872, 16709, 17248, 19096, 19208, 19712, 21266, 21824, 21952, 24304, 25088, 26411, 27776, 30184, 31744, 33418, 34496, 38192, 38416, 39424, 42532, 43648, 43904, 48608, 50176, 52822, 55552, 60368, 66836, 68992, 74431, 76384, 76832, 78848, 85064, 87296, 87808, 97216, 105644, 111104, 116963, 120736, 133672, 137984, 148862, 152768, 153664, 170128, 174592, 175616, 194432, 211288, 222208, 233926, 241472, 267344, 275968, 297724, 305536, 307328, 340256, 349184, 351232, 388864, 422576, 467852, 482944, 534688, 551936, 595448, 611072, 614656, 680512, 777728, 818741, 845152, 935704, 965888, 1069376, 1190896, 1222144, 1229312, 1361024, 1555456, 1637482, 1690304, 1871408, 1931776, 2138752, 2381792, 2444288, 2458624, 2722048, 3274964, 3380608, 3742816, 3863552, 4277504, 4763584, 5444096, 6549928, 6761216, 7485632, 8555008, 9527168, 10888192, 13099856, 13522432, 14971264, 17110016, 19054336, 26199712, 27044864, 29942528, 38108672, 52399424, 59885056, 76217344, 104798848, 119770112, 209597696, 419195392, 838390784]

約数ペア:

[(1, 838390784), (2, 419195392), (4, 209597696), (7, 119770112), (8, 104798848), (11, 76217344), (14, 59885056), (16, 52399424), (22, 38108672), (28, 29942528), (31, 27044864), (32, 26199712), (44, 19054336), (49, 17110016), (56, 14971264), (62, 13522432), (64, 13099856), (77, 10888192), (88, 9527168), (98, 8555008), (112, 7485632), (124, 6761216), (128, 6549928), (154, 5444096), (176, 4763584), (196, 4277504), (217, 3863552), (224, 3742816), (248, 3380608), (256, 3274964), (308, 2722048), (341, 2458624), (343, 2444288), (352, 2381792), (392, 2138752), (434, 1931776), (448, 1871408), (496, 1690304), (512, 1637482), (539, 1555456), (616, 1361024), (682, 1229312), (686, 1222144), (704, 1190896), (784, 1069376), (868, 965888), (896, 935704), (992, 845152), (1024, 818741), (1078, 777728), (1232, 680512), (1364, 614656), (1372, 611072), (1408, 595448), (1519, 551936), (1568, 534688), (1736, 482944), (1792, 467852), (1984, 422576), (2156, 388864), (2387, 351232), (2401, 349184), (2464, 340256), (2728, 307328), (2744, 305536), (2816, 297724), (3038, 275968), (3136, 267344), (3472, 241472), (3584, 233926), (3773, 222208), (3968, 211288), (4312, 194432), (4774, 175616), (4802, 174592), (4928, 170128), (5456, 153664), (5488, 152768), (5632, 148862), (6076, 137984), (6272, 133672), (6944, 120736), (7168, 116963), (7546, 111104), (7936, 105644), (8624, 97216), (9548, 87808), (9604, 87296), (9856, 85064), (10633, 78848), (10912, 76832), (10976, 76384), (11264, 74431), (12152, 68992), (12544, 66836), (13888, 60368), (15092, 55552), (15872, 52822), (16709, 50176), (17248, 48608), (19096, 43904), (19208, 43648), (19712, 42532), (21266, 39424), (21824, 38416), (21952, 38192), (24304, 34496), (25088, 33418), (26411, 31744), (27776, 30184)]