203157220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1451123}}^1$

素因数の和:1451139

約数の個数: 24

約数和(自身を含む): 487577664

約数和(自身を除く): 284420444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1451123, 2902246, 5804492, 7255615, 10157861, 14511230, 20315722, 29022460, 40631444, 50789305, 101578610, 203157220]

約数ペア:

[(1, 203157220), (2, 101578610), (4, 50789305), (5, 40631444), (7, 29022460), (10, 20315722), (14, 14511230), (20, 10157861), (28, 7255615), (35, 5804492), (70, 2902246), (140, 1451123)]