7920200

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^2$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 18507465

約数和(自身を除く): 10587265

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 398, 796, 995, 1592, 1990, 3980, 4975, 7960, 9950, 19900, 39601, 39800, 79202, 158404, 198005, 316808, 396010, 792020, 990025, 1584040, 1980050, 3960100, 7920200]

約数ペア:

[(1, 7920200), (2, 3960100), (4, 1980050), (5, 1584040), (8, 990025), (10, 792020), (20, 396010), (25, 316808), (40, 198005), (50, 158404), (100, 79202), (199, 39800), (200, 39601), (398, 19900), (796, 9950), (995, 7960), (1592, 4975), (1990, 3980)]