348526780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2489477}}^1$

素因数の和:2489493

約数の個数: 24

約数和(自身を含む): 836464608

約数和(自身を除く): 487937828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2489477, 4978954, 9957908, 12447385, 17426339, 24894770, 34852678, 49789540, 69705356, 87131695, 174263390, 348526780]

約数ペア:

[(1, 348526780), (2, 174263390), (4, 87131695), (5, 69705356), (7, 49789540), (10, 34852678), (14, 24894770), (20, 17426339), (28, 12447385), (35, 9957908), (70, 4978954), (140, 2489477)]