256926208

素因数分解:

$2^9\times 7^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 200

約数和(自身を含む): 687701520

約数和(自身を除く): 430775312

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 49, 56, 64, 76, 77, 88, 98, 112, 128, 133, 152, 154, 176, 196, 209, 224, 256, 266, 304, 308, 343, 352, 392, 418, 448, 512, 532, 539, 608, 616, 686, 704, 784, 836, 896, 931, 1064, 1078, 1216, 1232, 1372, 1408, 1463, 1568, 1672, 1792, 1862, 2128, 2156, 2401, 2432, 2464, 2744, 2816, 2926, 3136, 3344, 3584, 3724, 3773, 4256, 4312, 4802, 4864, 4928, 5488, 5632, 5852, 6272, 6517, 6688, 7448, 7546, 8512, 8624, 9604, 9728, 9856, 10241, 10976, 11704, 12544, 13034, 13376, 14896, 15092, 17024, 17248, 19208, 19712, 20482, 21952, 23408, 25088, 26068, 26411, 26752, 29792, 30184, 34048, 34496, 38416, 39424, 40964, 43904, 45619, 46816, 52136, 52822, 53504, 59584, 60368, 68096, 68992, 71687, 76832, 81928, 87808, 91238, 93632, 104272, 105644, 107008, 119168, 120736, 137984, 143374, 153664, 163856, 175616, 182476, 187264, 208544, 211288, 238336, 241472, 275968, 286748, 307328, 327712, 364952, 374528, 417088, 422576, 476672, 482944, 501809, 573496, 614656, 655424, 729904, 749056, 834176, 845152, 965888, 1003618, 1146992, 1229312, 1310848, 1459808, 1668352, 1690304, 1931776, 2007236, 2293984, 2621696, 2919616, 3336704, 3380608, 4014472, 4587968, 5243392, 5839232, 6761216, 8028944, 9175936, 11678464, 13522432, 16057888, 18351872, 23356928, 32115776, 36703744, 64231552, 128463104, 256926208]

約数ペア:

[(1, 256926208), (2, 128463104), (4, 64231552), (7, 36703744), (8, 32115776), (11, 23356928), (14, 18351872), (16, 16057888), (19, 13522432), (22, 11678464), (28, 9175936), (32, 8028944), (38, 6761216), (44, 5839232), (49, 5243392), (56, 4587968), (64, 4014472), (76, 3380608), (77, 3336704), (88, 2919616), (98, 2621696), (112, 2293984), (128, 2007236), (133, 1931776), (152, 1690304), (154, 1668352), (176, 1459808), (196, 1310848), (209, 1229312), (224, 1146992), (256, 1003618), (266, 965888), (304, 845152), (308, 834176), (343, 749056), (352, 729904), (392, 655424), (418, 614656), (448, 573496), (512, 501809), (532, 482944), (539, 476672), (608, 422576), (616, 417088), (686, 374528), (704, 364952), (784, 327712), (836, 307328), (896, 286748), (931, 275968), (1064, 241472), (1078, 238336), (1216, 211288), (1232, 208544), (1372, 187264), (1408, 182476), (1463, 175616), (1568, 163856), (1672, 153664), (1792, 143374), (1862, 137984), (2128, 120736), (2156, 119168), (2401, 107008), (2432, 105644), (2464, 104272), (2744, 93632), (2816, 91238), (2926, 87808), (3136, 81928), (3344, 76832), (3584, 71687), (3724, 68992), (3773, 68096), (4256, 60368), (4312, 59584), (4802, 53504), (4864, 52822), (4928, 52136), (5488, 46816), (5632, 45619), (5852, 43904), (6272, 40964), (6517, 39424), (6688, 38416), (7448, 34496), (7546, 34048), (8512, 30184), (8624, 29792), (9604, 26752), (9728, 26411), (9856, 26068), (10241, 25088), (10976, 23408), (11704, 21952), (12544, 20482), (13034, 19712), (13376, 19208), (14896, 17248), (15092, 17024)]