209464820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{616073}}^1$

素因数の和:616099

約数の個数: 24

約数和(自身を含む): 465751944

約数和(自身を除く): 256287124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 616073, 1232146, 2464292, 3080365, 6160730, 10473241, 12321460, 20946482, 41892964, 52366205, 104732410, 209464820]

約数ペア:

[(1, 209464820), (2, 104732410), (4, 52366205), (5, 41892964), (10, 20946482), (17, 12321460), (20, 10473241), (34, 6160730), (68, 3080365), (85, 2464292), (170, 1232146), (340, 616073)]