208078376

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{4999}}^1$

素因数の和:5070

約数の個数: 48

約数和(自身を含む): 438900000

約数和(自身を除く): 230821624

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1892, 3784, 4999, 5203, 9998, 10406, 19996, 20812, 39992, 41624, 54989, 109978, 214957, 219956, 429914, 439912, 604879, 859828, 1209758, 1719656, 2364527, 2419516, 4729054, 4839032, 9458108, 18916216, 26009797, 52019594, 104039188, 208078376]

約数ペア:

[(1, 208078376), (2, 104039188), (4, 52019594), (8, 26009797), (11, 18916216), (22, 9458108), (43, 4839032), (44, 4729054), (86, 2419516), (88, 2364527), (121, 1719656), (172, 1209758), (242, 859828), (344, 604879), (473, 439912), (484, 429914), (946, 219956), (968, 214957), (1892, 109978), (3784, 54989), (4999, 41624), (5203, 39992), (9998, 20812), (10406, 19996)]