7954220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2903}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 16831584

約数和(自身を除く): 8877364

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 2903, 5806, 11612, 14515, 29030, 58060, 397711, 795422, 1590844, 1988555, 3977110, 7954220]

約数ペア:

[(1, 7954220), (2, 3977110), (4, 1988555), (5, 1590844), (10, 795422), (20, 397711), (137, 58060), (274, 29030), (548, 14515), (685, 11612), (1370, 5806), (2740, 2903)]