208754890

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{47123}}^1$

素因数の和:47573

約数の個数: 16

約数和(自身を含む): 376615008

約数和(自身を除く): 167860118

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 47123, 94246, 235615, 471230, 20875489, 41750978, 104377445, 208754890]

約数ペア:

[(1, 208754890), (2, 104377445), (5, 41750978), (10, 20875489), (443, 471230), (886, 235615), (2215, 94246), (4430, 47123)]