156968420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121203}}^1$

素因数の和:1121219

約数の個数: 24

約数和(自身を含む): 376724544

約数和(自身を除く): 219756124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121203, 2242406, 4484812, 5606015, 7848421, 11212030, 15696842, 22424060, 31393684, 39242105, 78484210, 156968420]

約数ペア:

[(1, 156968420), (2, 78484210), (4, 39242105), (5, 31393684), (7, 22424060), (10, 15696842), (14, 11212030), (20, 7848421), (28, 5606015), (35, 4484812), (70, 2242406), (140, 1121203)]