201020900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{18787}}^1$

素因数の和:18908

約数の個数: 36

約数和(自身を含む): 440315568

約数和(自身を除く): 239294668

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 2140, 2675, 5350, 10700, 18787, 37574, 75148, 93935, 187870, 375740, 469675, 939350, 1878700, 2010209, 4020418, 8040836, 10051045, 20102090, 40204180, 50255225, 100510450, 201020900]

約数ペア:

[(1, 201020900), (2, 100510450), (4, 50255225), (5, 40204180), (10, 20102090), (20, 10051045), (25, 8040836), (50, 4020418), (100, 2010209), (107, 1878700), (214, 939350), (428, 469675), (535, 375740), (1070, 187870), (2140, 93935), (2675, 75148), (5350, 37574), (10700, 18787)]