320413984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21169}}^1$

素因数の和:21233

約数の個数: 48

約数和(自身を含む): 704198880

約数和(自身を除く): 383784896

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1892, 3784, 7568, 15136, 21169, 42338, 84676, 169352, 232859, 338704, 465718, 677408, 910267, 931436, 1820534, 1862872, 3641068, 3725744, 7282136, 7451488, 10012937, 14564272, 20025874, 29128544, 40051748, 80103496, 160206992, 320413984]

約数ペア:

[(1, 320413984), (2, 160206992), (4, 80103496), (8, 40051748), (11, 29128544), (16, 20025874), (22, 14564272), (32, 10012937), (43, 7451488), (44, 7282136), (86, 3725744), (88, 3641068), (172, 1862872), (176, 1820534), (344, 931436), (352, 910267), (473, 677408), (688, 465718), (946, 338704), (1376, 232859), (1892, 169352), (3784, 84676), (7568, 42338), (15136, 21169)]