489780408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:773

約数の個数: 128

約数和(自身を含む): 1380556800

約数和(自身を除く): 890776392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 79, 93, 104, 124, 156, 158, 186, 237, 248, 312, 316, 372, 403, 474, 632, 641, 744, 806, 948, 1027, 1209, 1282, 1612, 1896, 1923, 2054, 2418, 2449, 2564, 3081, 3224, 3846, 4108, 4836, 4898, 5128, 6162, 7347, 7692, 8216, 8333, 9672, 9796, 12324, 14694, 15384, 16666, 19592, 19871, 24648, 24999, 29388, 31837, 33332, 39742, 49998, 50639, 58776, 59613, 63674, 66664, 79484, 95511, 99996, 101278, 119226, 127348, 151917, 158968, 191022, 199992, 202556, 238452, 254696, 258323, 303834, 382044, 405112, 476904, 516646, 607668, 658307, 764088, 774969, 1033292, 1215336, 1316614, 1549938, 1569809, 1974921, 2066584, 2633228, 3099876, 3139618, 3949842, 4709427, 5266456, 6199752, 6279236, 7899684, 9418854, 12558472, 15799368, 18837708, 20407517, 37675416, 40815034, 61222551, 81630068, 122445102, 163260136, 244890204, 489780408]

約数ペア:

[(1, 489780408), (2, 244890204), (3, 163260136), (4, 122445102), (6, 81630068), (8, 61222551), (12, 40815034), (13, 37675416), (24, 20407517), (26, 18837708), (31, 15799368), (39, 12558472), (52, 9418854), (62, 7899684), (78, 6279236), (79, 6199752), (93, 5266456), (104, 4709427), (124, 3949842), (156, 3139618), (158, 3099876), (186, 2633228), (237, 2066584), (248, 1974921), (312, 1569809), (316, 1549938), (372, 1316614), (403, 1215336), (474, 1033292), (632, 774969), (641, 764088), (744, 658307), (806, 607668), (948, 516646), (1027, 476904), (1209, 405112), (1282, 382044), (1612, 303834), (1896, 258323), (1923, 254696), (2054, 238452), (2418, 202556), (2449, 199992), (2564, 191022), (3081, 158968), (3224, 151917), (3846, 127348), (4108, 119226), (4836, 101278), (4898, 99996), (5128, 95511), (6162, 79484), (7347, 66664), (7692, 63674), (8216, 59613), (8333, 58776), (9672, 50639), (9796, 49998), (12324, 39742), (14694, 33332), (15384, 31837), (16666, 29388), (19592, 24999), (19871, 24648)]