39789470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{81203}}^1$

素因数の和:81224

約数の個数: 24

約数和(自身を含む): 83315304

約数和(自身を除く): 43525834

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81203, 162406, 406015, 568421, 812030, 1136842, 2842105, 3978947, 5684210, 7957894, 19894735, 39789470]

約数ペア:

[(1, 39789470), (2, 19894735), (5, 7957894), (7, 5684210), (10, 3978947), (14, 2842105), (35, 1136842), (49, 812030), (70, 568421), (98, 406015), (245, 162406), (490, 81203)]