209756780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{455993}}^1$

素因数の和:456025

約数の個数: 24

約数和(自身を含む): 459641952

約数和(自身を除く): 249885172

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 455993, 911986, 1823972, 2279965, 4559930, 9119860, 10487839, 20975678, 41951356, 52439195, 104878390, 209756780]

約数ペア:

[(1, 209756780), (2, 104878390), (4, 52439195), (5, 41951356), (10, 20975678), (20, 10487839), (23, 9119860), (46, 4559930), (92, 2279965), (115, 1823972), (230, 911986), (460, 455993)]