251319552

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 741726720

約数和(自身を除く): 490407168

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 71, 88, 96, 128, 132, 142, 176, 192, 213, 256, 264, 284, 352, 384, 419, 426, 528, 568, 704, 768, 781, 838, 852, 1056, 1136, 1257, 1408, 1562, 1676, 1704, 2112, 2272, 2343, 2514, 2816, 3124, 3352, 3408, 4224, 4544, 4609, 4686, 5028, 6248, 6704, 6816, 8448, 9088, 9218, 9372, 10056, 12496, 13408, 13632, 13827, 18176, 18436, 18744, 20112, 24992, 26816, 27264, 27654, 29749, 36872, 37488, 40224, 49984, 53632, 54528, 55308, 59498, 73744, 74976, 80448, 89247, 99968, 107264, 110616, 118996, 147488, 149952, 160896, 178494, 199936, 221232, 237992, 294976, 299904, 321792, 327239, 356988, 442464, 475984, 589952, 599808, 654478, 713976, 884928, 951968, 981717, 1179904, 1308956, 1427952, 1769856, 1903936, 1963434, 2617912, 2855904, 3539712, 3807872, 3926868, 5235824, 5711808, 7615744, 7853736, 10471648, 11423616, 15707472, 20943296, 22847232, 31414944, 41886592, 62829888, 83773184, 125659776, 251319552]

約数ペア:

[(1, 251319552), (2, 125659776), (3, 83773184), (4, 62829888), (6, 41886592), (8, 31414944), (11, 22847232), (12, 20943296), (16, 15707472), (22, 11423616), (24, 10471648), (32, 7853736), (33, 7615744), (44, 5711808), (48, 5235824), (64, 3926868), (66, 3807872), (71, 3539712), (88, 2855904), (96, 2617912), (128, 1963434), (132, 1903936), (142, 1769856), (176, 1427952), (192, 1308956), (213, 1179904), (256, 981717), (264, 951968), (284, 884928), (352, 713976), (384, 654478), (419, 599808), (426, 589952), (528, 475984), (568, 442464), (704, 356988), (768, 327239), (781, 321792), (838, 299904), (852, 294976), (1056, 237992), (1136, 221232), (1257, 199936), (1408, 178494), (1562, 160896), (1676, 149952), (1704, 147488), (2112, 118996), (2272, 110616), (2343, 107264), (2514, 99968), (2816, 89247), (3124, 80448), (3352, 74976), (3408, 73744), (4224, 59498), (4544, 55308), (4609, 54528), (4686, 53632), (5028, 49984), (6248, 40224), (6704, 37488), (6816, 36872), (8448, 29749), (9088, 27654), (9218, 27264), (9372, 26816), (10056, 24992), (12496, 20112), (13408, 18744), (13632, 18436), (13827, 18176)]