427850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 24

約数和(自身を含む): 818400

約数和(自身を除く): 390550

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 199, 215, 398, 430, 995, 1075, 1990, 2150, 4975, 8557, 9950, 17114, 42785, 85570, 213925, 427850]

約数ペア:

[(1, 427850), (2, 213925), (5, 85570), (10, 42785), (25, 17114), (43, 9950), (50, 8557), (86, 4975), (199, 2150), (215, 1990), (398, 1075), (430, 995)]