256430944

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{9461}}^1$

素因数の和:9500

約数の個数: 72

約数和(自身を含む): 634256784

約数和(自身を除く): 377825840

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 847, 968, 1232, 1694, 1936, 2464, 3388, 3872, 6776, 9461, 13552, 18922, 27104, 37844, 66227, 75688, 104071, 132454, 151376, 208142, 264908, 302752, 416284, 529816, 728497, 832568, 1059632, 1144781, 1456994, 1665136, 2119264, 2289562, 2913988, 3330272, 4579124, 5827976, 8013467, 9158248, 11655952, 16026934, 18316496, 23311904, 32053868, 36632992, 64107736, 128215472, 256430944]

約数ペア:

[(1, 256430944), (2, 128215472), (4, 64107736), (7, 36632992), (8, 32053868), (11, 23311904), (14, 18316496), (16, 16026934), (22, 11655952), (28, 9158248), (32, 8013467), (44, 5827976), (56, 4579124), (77, 3330272), (88, 2913988), (112, 2289562), (121, 2119264), (154, 1665136), (176, 1456994), (224, 1144781), (242, 1059632), (308, 832568), (352, 728497), (484, 529816), (616, 416284), (847, 302752), (968, 264908), (1232, 208142), (1694, 151376), (1936, 132454), (2464, 104071), (3388, 75688), (3872, 66227), (6776, 37844), (9461, 27104), (13552, 18922)]