254780568

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:782

約数の個数: 192

約数和(自身を含む): 850636800

約数和(自身を除く): 595856232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 31, 36, 42, 46, 56, 62, 63, 69, 72, 84, 92, 93, 124, 126, 138, 161, 168, 184, 186, 207, 217, 248, 252, 276, 279, 322, 372, 414, 434, 483, 504, 552, 558, 644, 651, 709, 713, 744, 828, 868, 966, 1116, 1288, 1302, 1418, 1426, 1449, 1656, 1736, 1932, 1953, 2127, 2139, 2232, 2604, 2836, 2852, 2898, 3864, 3906, 4254, 4278, 4963, 4991, 5208, 5672, 5704, 5796, 6381, 6417, 7812, 8508, 8556, 9926, 9982, 11592, 12762, 12834, 14889, 14973, 15624, 16307, 17016, 17112, 19852, 19964, 21979, 25524, 25668, 29778, 29946, 32614, 39704, 39928, 43958, 44667, 44919, 48921, 51048, 51336, 59556, 59892, 65228, 65937, 87916, 89334, 89838, 97842, 114149, 119112, 119784, 130456, 131874, 146763, 153853, 175832, 178668, 179676, 195684, 197811, 228298, 263748, 293526, 307706, 342447, 357336, 359352, 391368, 395622, 456596, 461559, 505517, 527496, 587052, 615412, 684894, 791244, 913192, 923118, 1011034, 1027341, 1174104, 1230824, 1369788, 1384677, 1516551, 1582488, 1846236, 2022068, 2054682, 2739576, 2769354, 3033102, 3538619, 3692472, 4044136, 4109364, 4549653, 5538708, 6066204, 7077238, 8218728, 9099306, 10615857, 11077416, 12132408, 14154476, 18198612, 21231714, 28308952, 31847571, 36397224, 42463428, 63695142, 84926856, 127390284, 254780568]

約数ペア:

[(1, 254780568), (2, 127390284), (3, 84926856), (4, 63695142), (6, 42463428), (7, 36397224), (8, 31847571), (9, 28308952), (12, 21231714), (14, 18198612), (18, 14154476), (21, 12132408), (23, 11077416), (24, 10615857), (28, 9099306), (31, 8218728), (36, 7077238), (42, 6066204), (46, 5538708), (56, 4549653), (62, 4109364), (63, 4044136), (69, 3692472), (72, 3538619), (84, 3033102), (92, 2769354), (93, 2739576), (124, 2054682), (126, 2022068), (138, 1846236), (161, 1582488), (168, 1516551), (184, 1384677), (186, 1369788), (207, 1230824), (217, 1174104), (248, 1027341), (252, 1011034), (276, 923118), (279, 913192), (322, 791244), (372, 684894), (414, 615412), (434, 587052), (483, 527496), (504, 505517), (552, 461559), (558, 456596), (644, 395622), (651, 391368), (709, 359352), (713, 357336), (744, 342447), (828, 307706), (868, 293526), (966, 263748), (1116, 228298), (1288, 197811), (1302, 195684), (1418, 179676), (1426, 178668), (1449, 175832), (1656, 153853), (1736, 146763), (1932, 131874), (1953, 130456), (2127, 119784), (2139, 119112), (2232, 114149), (2604, 97842), (2836, 89838), (2852, 89334), (2898, 87916), (3864, 65937), (3906, 65228), (4254, 59892), (4278, 59556), (4963, 51336), (4991, 51048), (5208, 48921), (5672, 44919), (5704, 44667), (5796, 43958), (6381, 39928), (6417, 39704), (7812, 32614), (8508, 29946), (8556, 29778), (9926, 25668), (9982, 25524), (11592, 21979), (12762, 19964), (12834, 19852), (14889, 17112), (14973, 17016), (15624, 16307)]