256392489.0000000000

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1121

約数の個数: 160

約数和(自身を含む): 25109821440

約数和(自身を除く): 16722301488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 101, 112, 168, 202, 303, 336, 404, 439, 563, 606, 707, 808, 878, 1126, 1212, 1317, 1414, 1616, 1689, 1756, 2121, 2252, 2424, 2634, 2828, 3073, 3378, 3512, 3941, 4242, 4504, 4848, 5268, 5656, 6146, 6756, 7024, 7882, 8484, 9008, 9219, 10536, 11312, 11823, 12292, 13512, 15764, 16968, 18438, 21072, 23646, 24584, 27024, 31528, 33936, 36876, 44339, 47292, 49168, 56863, 63056, 73752, 88678, 94584, 113726, 133017, 147504, 170589, 177356, 189168, 227452, 247157, 266034, 310373, 341178, 354712, 398041, 454904, 494314, 532068, 620746, 682356, 709424, 741471, 796082, 909808, 931119, 988628, 1064136, 1194123, 1241492, 1364712, 1482942, 1592164, 1730099, 1862238, 1977256, 2128272, 2388246, 2482984, 2729424, 2965884, 3184328, 3460198, 3724476, 3954512, 4776492, 4965968, 5190297, 5931768, 6368656, 6920396, 7448952, 9552984, 10380594, 11863536, 13840792, 14897904, 19105968, 20761188, 24962857, 27681584, 41522376, 49925714, 74888571, 83044752, 99851428, 149777142, 174739999, 199702856, 299554284, 349479998, 399405712, 524219997, 599108568, 698959996, 1048439994, 1198217136, 1397919992, 2096879988, 2795839984, 4193759976, 8387519952]

約数ペア:

[(1, 8387519952), (2, 4193759976), (3, 2795839984), (4, 2096879988), (6, 1397919992), (7, 1198217136), (8, 1048439994), (12, 698959996), (14, 599108568), (16, 524219997), (21, 399405712), (24, 349479998), (28, 299554284), (42, 199702856), (48, 174739999), (56, 149777142), (84, 99851428), (101, 83044752), (112, 74888571), (168, 49925714), (202, 41522376), (303, 27681584), (336, 24962857), (404, 20761188), (439, 19105968), (563, 14897904), (606, 13840792), (707, 11863536), (808, 10380594), (878, 9552984), (1126, 7448952), (1212, 6920396), (1317, 6368656), (1414, 5931768), (1616, 5190297), (1689, 4965968), (1756, 4776492), (2121, 3954512), (2252, 3724476), (2424, 3460198), (2634, 3184328), (2828, 2965884), (3073, 2729424), (3378, 2482984), (3512, 2388246), (3941, 2128272), (4242, 1977256), (4504, 1862238), (4848, 1730099), (5268, 1592164), (5656, 1482942), (6146, 1364712), (6756, 1241492), (7024, 1194123), (7882, 1064136), (8484, 988628), (9008, 931119), (9219, 909808), (10536, 796082), (11312, 741471), (11823, 709424), (12292, 682356), (13512, 620746), (15764, 532068), (16968, 494314), (18438, 454904), (21072, 398041), (23646, 354712), (24584, 341178), (27024, 310373), (31528, 266034), (33936, 247157), (36876, 227452), (44339, 189168), (47292, 177356), (49168, 170589), (56863, 147504), (63056, 133017), (73752, 113726), (88678, 94584)]