638445900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{2128153}}^1$

素因数の和:2128170

約数の個数: 36

約数和(自身を含む): 1847237672

約数和(自身を除く): 1208791772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 2128153, 4256306, 6384459, 8512612, 10640765, 12768918, 21281530, 25537836, 31922295, 42563060, 53203825, 63844590, 106407650, 127689180, 159611475, 212815300, 319222950, 638445900]

約数ペア:

[(1, 638445900), (2, 319222950), (3, 212815300), (4, 159611475), (5, 127689180), (6, 106407650), (10, 63844590), (12, 53203825), (15, 42563060), (20, 31922295), (25, 25537836), (30, 21281530), (50, 12768918), (60, 10640765), (75, 8512612), (100, 6384459), (150, 4256306), (300, 2128153)]