2218850

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:434

約数の個数: 24

約数和(自身を含む): 4166400

約数和(自身を除く): 1947550

約数列:

[1, 2, 5, 10, 25, 50, 199, 223, 398, 446, 995, 1115, 1990, 2230, 4975, 5575, 9950, 11150, 44377, 88754, 221885, 443770, 1109425, 2218850]

約数ペア:

[(1, 2218850), (2, 1109425), (5, 443770), (10, 221885), (25, 88754), (50, 44377), (199, 11150), (223, 9950), (398, 5575), (446, 4975), (995, 2230), (1115, 1990)]