256999008

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 805109760

約数和(自身を除く): 548110752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 56, 79, 84, 94, 96, 103, 112, 141, 158, 168, 188, 206, 224, 237, 282, 309, 316, 329, 336, 376, 412, 474, 553, 564, 618, 632, 658, 672, 721, 752, 824, 948, 987, 1106, 1128, 1236, 1264, 1316, 1442, 1504, 1648, 1659, 1896, 1974, 2163, 2212, 2256, 2472, 2528, 2632, 2884, 3296, 3318, 3713, 3792, 3948, 4326, 4424, 4512, 4841, 4944, 5264, 5768, 6636, 7426, 7584, 7896, 8137, 8652, 8848, 9682, 9888, 10528, 11139, 11536, 13272, 14523, 14852, 15792, 16274, 17304, 17696, 19364, 22278, 23072, 24411, 25991, 26544, 29046, 29704, 31584, 32548, 33887, 34608, 38728, 44556, 48822, 51982, 53088, 56959, 58092, 59408, 65096, 67774, 69216, 77456, 77973, 89112, 97644, 101661, 103964, 113918, 116184, 118816, 130192, 135548, 154912, 155946, 170877, 178224, 195288, 203322, 207928, 227836, 232368, 260384, 271096, 311892, 341754, 356448, 382439, 390576, 406644, 415856, 455672, 464736, 542192, 623784, 683508, 764878, 781152, 813288, 831712, 911344, 1084384, 1147317, 1247568, 1367016, 1529756, 1626576, 1822688, 2294634, 2495136, 2677073, 2734032, 3059512, 3253152, 4589268, 5354146, 5468064, 6119024, 8031219, 9178536, 10708292, 12238048, 16062438, 18357072, 21416584, 32124876, 36714144, 42833168, 64249752, 85666336, 128499504, 256999008]

約数ペア:

[(1, 256999008), (2, 128499504), (3, 85666336), (4, 64249752), (6, 42833168), (7, 36714144), (8, 32124876), (12, 21416584), (14, 18357072), (16, 16062438), (21, 12238048), (24, 10708292), (28, 9178536), (32, 8031219), (42, 6119024), (47, 5468064), (48, 5354146), (56, 4589268), (79, 3253152), (84, 3059512), (94, 2734032), (96, 2677073), (103, 2495136), (112, 2294634), (141, 1822688), (158, 1626576), (168, 1529756), (188, 1367016), (206, 1247568), (224, 1147317), (237, 1084384), (282, 911344), (309, 831712), (316, 813288), (329, 781152), (336, 764878), (376, 683508), (412, 623784), (474, 542192), (553, 464736), (564, 455672), (618, 415856), (632, 406644), (658, 390576), (672, 382439), (721, 356448), (752, 341754), (824, 311892), (948, 271096), (987, 260384), (1106, 232368), (1128, 227836), (1236, 207928), (1264, 203322), (1316, 195288), (1442, 178224), (1504, 170877), (1648, 155946), (1659, 154912), (1896, 135548), (1974, 130192), (2163, 118816), (2212, 116184), (2256, 113918), (2472, 103964), (2528, 101661), (2632, 97644), (2884, 89112), (3296, 77973), (3318, 77456), (3713, 69216), (3792, 67774), (3948, 65096), (4326, 59408), (4424, 58092), (4512, 56959), (4841, 53088), (4944, 51982), (5264, 48822), (5768, 44556), (6636, 38728), (7426, 34608), (7584, 33887), (7896, 32548), (8137, 31584), (8652, 29704), (8848, 29046), (9682, 26544), (9888, 25991), (10528, 24411), (11139, 23072), (11536, 22278), (13272, 19364), (14523, 17696), (14852, 17304), (15792, 16274)]