255172864

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 525389760

約数和(自身を除く): 270216896

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 101, 128, 139, 142, 202, 256, 278, 284, 404, 556, 568, 808, 1112, 1136, 1616, 2224, 2272, 3232, 4448, 4544, 6464, 7171, 8896, 9088, 9869, 12928, 14039, 14342, 17792, 18176, 19738, 25856, 28078, 28684, 35584, 39476, 56156, 57368, 78952, 112312, 114736, 157904, 224624, 229472, 315808, 449248, 458944, 631616, 898496, 917888, 996769, 1263232, 1796992, 1835776, 1993538, 2526464, 3593984, 3987076, 7974152, 15948304, 31896608, 63793216, 127586432, 255172864]

約数ペア:

[(1, 255172864), (2, 127586432), (4, 63793216), (8, 31896608), (16, 15948304), (32, 7974152), (64, 3987076), (71, 3593984), (101, 2526464), (128, 1993538), (139, 1835776), (142, 1796992), (202, 1263232), (256, 996769), (278, 917888), (284, 898496), (404, 631616), (556, 458944), (568, 449248), (808, 315808), (1112, 229472), (1136, 224624), (1616, 157904), (2224, 114736), (2272, 112312), (3232, 78952), (4448, 57368), (4544, 56156), (6464, 39476), (7171, 35584), (8896, 28684), (9088, 28078), (9869, 25856), (12928, 19738), (14039, 18176), (14342, 17792)]