320140136

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 636854400

約数和(自身を除く): 316714264

約数列:

[1, 2, 4, 8, 41, 59, 71, 82, 118, 142, 164, 233, 236, 284, 328, 466, 472, 568, 932, 1864, 2419, 2911, 4189, 4838, 5822, 8378, 9553, 9676, 11644, 13747, 16543, 16756, 19106, 19352, 23288, 27494, 33086, 33512, 38212, 54988, 66172, 76424, 109976, 132344, 171749, 343498, 563627, 678263, 686996, 976037, 1127254, 1356526, 1373992, 1952074, 2254508, 2713052, 3904148, 4509016, 5426104, 7808296, 40017517, 80035034, 160070068, 320140136]

約数ペア:

[(1, 320140136), (2, 160070068), (4, 80035034), (8, 40017517), (41, 7808296), (59, 5426104), (71, 4509016), (82, 3904148), (118, 2713052), (142, 2254508), (164, 1952074), (233, 1373992), (236, 1356526), (284, 1127254), (328, 976037), (466, 686996), (472, 678263), (568, 563627), (932, 343498), (1864, 171749), (2419, 132344), (2911, 109976), (4189, 76424), (4838, 66172), (5822, 54988), (8378, 38212), (9553, 33512), (9676, 33086), (11644, 27494), (13747, 23288), (16543, 19352), (16756, 19106)]