384304820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 816614400

約数和(自身を除く): 432309580

約数列:

[1, 2, 4, 5, 10, 20, 199, 223, 398, 433, 446, 796, 866, 892, 995, 1115, 1732, 1990, 2165, 2230, 3980, 4330, 4460, 8660, 44377, 86167, 88754, 96559, 172334, 177508, 193118, 221885, 344668, 386236, 430835, 443770, 482795, 861670, 887540, 965590, 1723340, 1931180, 19215241, 38430482, 76860964, 96076205, 192152410, 384304820]

約数ペア:

[(1, 384304820), (2, 192152410), (4, 96076205), (5, 76860964), (10, 38430482), (20, 19215241), (199, 1931180), (223, 1723340), (398, 965590), (433, 887540), (446, 861670), (796, 482795), (866, 443770), (892, 430835), (995, 386236), (1115, 344668), (1732, 221885), (1990, 193118), (2165, 177508), (2230, 172334), (3980, 96559), (4330, 88754), (4460, 86167), (8660, 44377)]