68111780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{309599}}^1$

素因数の和:309619

約数の個数: 24

約数和(自身を含む): 156038400

約数和(自身を除く): 87926620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 309599, 619198, 1238396, 1547995, 3095990, 3405589, 6191980, 6811178, 13622356, 17027945, 34055890, 68111780]

約数ペア:

[(1, 68111780), (2, 34055890), (4, 17027945), (5, 13622356), (10, 6811178), (11, 6191980), (20, 3405589), (22, 3095990), (44, 1547995), (55, 1238396), (110, 619198), (220, 309599)]