394220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 864864

約数和(自身を除く): 470644

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 857, 1714, 3428, 4285, 8570, 17140, 19711, 39422, 78844, 98555, 197110, 394220]

約数ペア:

[(1, 394220), (2, 197110), (4, 98555), (5, 78844), (10, 39422), (20, 19711), (23, 17140), (46, 8570), (92, 4285), (115, 3428), (230, 1714), (460, 857)]