74640220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{26849}}^1$

素因数の和:26997

約数の個数: 24

約数和(自身を含む): 157878000

約数和(自身を除く): 83237780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 26849, 53698, 107396, 134245, 268490, 536980, 3732011, 7464022, 14928044, 18660055, 37320110, 74640220]

約数ペア:

[(1, 74640220), (2, 37320110), (4, 18660055), (5, 14928044), (10, 7464022), (20, 3732011), (139, 536980), (278, 268490), (556, 134245), (695, 107396), (1390, 53698), (2780, 26849)]