208530440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{38053}}^1$

素因数の和:38201

約数の個数: 32

約数和(自身を含む): 472630680

約数和(自身を除く): 264100240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 38053, 76106, 152212, 190265, 304424, 380530, 761060, 1522120, 5213261, 10426522, 20853044, 26066305, 41706088, 52132610, 104265220, 208530440]

約数ペア:

[(1, 208530440), (2, 104265220), (4, 52132610), (5, 41706088), (8, 26066305), (10, 20853044), (20, 10426522), (40, 5213261), (137, 1522120), (274, 761060), (548, 380530), (685, 304424), (1096, 190265), (1370, 152212), (2740, 76106), (5480, 38053)]