42985900

素因数分解:

$2^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{1051}}^1$

素因数の和:1474

約数の個数: 36

約数和(自身を含む): 93596440

約数和(自身を除く): 50610540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 409, 818, 1051, 1636, 2045, 2102, 4090, 4204, 5255, 8180, 10225, 10510, 20450, 21020, 26275, 40900, 52550, 105100, 429859, 859718, 1719436, 2149295, 4298590, 8597180, 10746475, 21492950, 42985900]

約数ペア:

[(1, 42985900), (2, 21492950), (4, 10746475), (5, 8597180), (10, 4298590), (20, 2149295), (25, 1719436), (50, 859718), (100, 429859), (409, 105100), (818, 52550), (1051, 40900), (1636, 26275), (2045, 21020), (2102, 20450), (4090, 10510), (4204, 10225), (5255, 8180)]