209500730

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487211}}^1$

素因数の和:487261

約数の個数: 16

約数和(自身を含む): 385871904

約数和(自身を除く): 176371174

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 487211, 974422, 2436055, 4872110, 20950073, 41900146, 104750365, 209500730]

約数ペア:

[(1, 209500730), (2, 104750365), (5, 41900146), (10, 20950073), (43, 4872110), (86, 2436055), (215, 974422), (430, 487211)]