278566008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 817152000

約数和(自身を除く): 538585992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 139, 151, 158, 168, 237, 278, 302, 316, 417, 453, 474, 553, 556, 604, 632, 834, 906, 948, 973, 1057, 1106, 1112, 1208, 1659, 1668, 1812, 1896, 1946, 2114, 2212, 2919, 3171, 3318, 3336, 3624, 3892, 4228, 4424, 5838, 6342, 6636, 7784, 8456, 10981, 11676, 11929, 12684, 13272, 20989, 21962, 23352, 23858, 25368, 32943, 35787, 41978, 43924, 47716, 62967, 65886, 71574, 76867, 83503, 83956, 87848, 95432, 125934, 131772, 143148, 146923, 153734, 167006, 167912, 230601, 250509, 251868, 263544, 286296, 293846, 307468, 334012, 440769, 461202, 501018, 503736, 587692, 614936, 668024, 881538, 922404, 1002036, 1175384, 1658131, 1763076, 1844808, 2004072, 3316262, 3526152, 4974393, 6632524, 9948786, 11606917, 13265048, 19897572, 23213834, 34820751, 39795144, 46427668, 69641502, 92855336, 139283004, 278566008]

約数ペア:

[(1, 278566008), (2, 139283004), (3, 92855336), (4, 69641502), (6, 46427668), (7, 39795144), (8, 34820751), (12, 23213834), (14, 19897572), (21, 13265048), (24, 11606917), (28, 9948786), (42, 6632524), (56, 4974393), (79, 3526152), (84, 3316262), (139, 2004072), (151, 1844808), (158, 1763076), (168, 1658131), (237, 1175384), (278, 1002036), (302, 922404), (316, 881538), (417, 668024), (453, 614936), (474, 587692), (553, 503736), (556, 501018), (604, 461202), (632, 440769), (834, 334012), (906, 307468), (948, 293846), (973, 286296), (1057, 263544), (1106, 251868), (1112, 250509), (1208, 230601), (1659, 167912), (1668, 167006), (1812, 153734), (1896, 146923), (1946, 143148), (2114, 131772), (2212, 125934), (2919, 95432), (3171, 87848), (3318, 83956), (3336, 83503), (3624, 76867), (3892, 71574), (4228, 65886), (4424, 62967), (5838, 47716), (6342, 43924), (6636, 41978), (7784, 35787), (8456, 32943), (10981, 25368), (11676, 23858), (11929, 23352), (12684, 21962), (13272, 20989)]