209617820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{616523}}^1$

素因数の和:616549

約数の個数: 24

約数和(自身を含む): 466092144

約数和(自身を除く): 256474324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 616523, 1233046, 2466092, 3082615, 6165230, 10480891, 12330460, 20961782, 41923564, 52404455, 104808910, 209617820]

約数ペア:

[(1, 209617820), (2, 104808910), (4, 52404455), (5, 41923564), (10, 20961782), (17, 12330460), (20, 10480891), (34, 6165230), (68, 3082615), (85, 2466092), (170, 1233046), (340, 616523)]