209439170

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{203339}}^1$

素因数の和:203449

約数の個数: 16

約数和(自身を含む): 380652480

約数和(自身を除く): 171213310

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 203339, 406678, 1016695, 2033390, 20943917, 41887834, 104719585, 209439170]

約数ペア:

[(1, 209439170), (2, 104719585), (5, 41887834), (10, 20943917), (103, 2033390), (206, 1016695), (515, 406678), (1030, 203339)]