256306488

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2459}}^1$

素因数の和:2612

約数の個数: 64

約数和(自身を含む): 662428800

約数和(自身を除く): 406122312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 101, 129, 172, 202, 258, 303, 344, 404, 516, 606, 808, 1032, 1212, 2424, 2459, 4343, 4918, 7377, 8686, 9836, 13029, 14754, 17372, 19672, 26058, 29508, 34744, 52116, 59016, 104232, 105737, 211474, 248359, 317211, 422948, 496718, 634422, 745077, 845896, 993436, 1268844, 1490154, 1986872, 2537688, 2980308, 5960616, 10679437, 21358874, 32038311, 42717748, 64076622, 85435496, 128153244, 256306488]

約数ペア:

[(1, 256306488), (2, 128153244), (3, 85435496), (4, 64076622), (6, 42717748), (8, 32038311), (12, 21358874), (24, 10679437), (43, 5960616), (86, 2980308), (101, 2537688), (129, 1986872), (172, 1490154), (202, 1268844), (258, 993436), (303, 845896), (344, 745077), (404, 634422), (516, 496718), (606, 422948), (808, 317211), (1032, 248359), (1212, 211474), (2424, 105737), (2459, 104232), (4343, 59016), (4918, 52116), (7377, 34744), (8686, 29508), (9836, 26058), (13029, 19672), (14754, 17372)]