208078340

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{75941}}^1$

素因数の和:76087

約数の個数: 24

約数和(自身を含む): 440159832

約数和(自身を除く): 232081492

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 75941, 151882, 303764, 379705, 759410, 1518820, 10403917, 20807834, 41615668, 52019585, 104039170, 208078340]

約数ペア:

[(1, 208078340), (2, 104039170), (4, 52019585), (5, 41615668), (10, 20807834), (20, 10403917), (137, 1518820), (274, 759410), (548, 379705), (685, 303764), (1370, 151882), (2740, 75941)]