977129620

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{68909}}^1$

素因数の和:69627

約数の個数: 24

約数和(自身を含む): 2054896200

約数和(自身を除く): 1077766580

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 68909, 137818, 275636, 344545, 689090, 1378180, 48856481, 97712962, 195425924, 244282405, 488564810, 977129620]

約数ペア:

[(1, 977129620), (2, 488564810), (4, 244282405), (5, 195425924), (10, 97712962), (20, 48856481), (709, 1378180), (1418, 689090), (2836, 344545), (3545, 275636), (7090, 137818), (14180, 68909)]