83720980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{598007}}^1$

素因数の和:598023

約数の個数: 24

約数和(自身を含む): 200930688

約数和(自身を除く): 117209708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 598007, 1196014, 2392028, 2990035, 4186049, 5980070, 8372098, 11960140, 16744196, 20930245, 41860490, 83720980]

約数ペア:

[(1, 83720980), (2, 41860490), (4, 20930245), (5, 16744196), (7, 11960140), (10, 8372098), (14, 5980070), (20, 4186049), (28, 2990035), (35, 2392028), (70, 1196014), (140, 598007)]