127614800

素因数分解:

$2^4\times 5^2\times {\mathrm{319037}}^1$

素因数の和:319055

約数の個数: 30

約数和(自身を含む): 306595518

約数和(自身を除く): 178980718

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 319037, 638074, 1276148, 1595185, 2552296, 3190370, 5104592, 6380740, 7975925, 12761480, 15951850, 25522960, 31903700, 63807400, 127614800]

約数ペア:

[(1, 127614800), (2, 63807400), (4, 31903700), (5, 25522960), (8, 15951850), (10, 12761480), (16, 7975925), (20, 6380740), (25, 5104592), (40, 3190370), (50, 2552296), (80, 1595185), (100, 1276148), (200, 638074), (400, 319037)]