255345664

素因数分解:

$2^{10}\times 7^3\times {\mathrm{727}}^1$

素因数の和:768

約数の個数: 88

約数和(自身を含む): 596086400

約数和(自身を除く): 340740736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 727, 784, 896, 1024, 1372, 1454, 1568, 1792, 2744, 2908, 3136, 3584, 5089, 5488, 5816, 6272, 7168, 10178, 10976, 11632, 12544, 20356, 21952, 23264, 25088, 35623, 40712, 43904, 46528, 50176, 71246, 81424, 87808, 93056, 142492, 162848, 175616, 186112, 249361, 284984, 325696, 351232, 372224, 498722, 569968, 651392, 744448, 997444, 1139936, 1302784, 1994888, 2279872, 2605568, 3989776, 4559744, 5211136, 7979552, 9119488, 15959104, 18238976, 31918208, 36477952, 63836416, 127672832, 255345664]

約数ペア:

[(1, 255345664), (2, 127672832), (4, 63836416), (7, 36477952), (8, 31918208), (14, 18238976), (16, 15959104), (28, 9119488), (32, 7979552), (49, 5211136), (56, 4559744), (64, 3989776), (98, 2605568), (112, 2279872), (128, 1994888), (196, 1302784), (224, 1139936), (256, 997444), (343, 744448), (392, 651392), (448, 569968), (512, 498722), (686, 372224), (727, 351232), (784, 325696), (896, 284984), (1024, 249361), (1372, 186112), (1454, 175616), (1568, 162848), (1792, 142492), (2744, 93056), (2908, 87808), (3136, 81424), (3584, 71246), (5089, 50176), (5488, 46528), (5816, 43904), (6272, 40712), (7168, 35623), (10178, 25088), (10976, 23264), (11632, 21952), (12544, 20356)]