279202280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{997151}}^1$

素因数の和:997169

約数の個数: 32

約数和(自身を含む): 717949440

約数和(自身を除く): 438747160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 997151, 1994302, 3988604, 4985755, 6980057, 7977208, 9971510, 13960114, 19943020, 27920228, 34900285, 39886040, 55840456, 69800570, 139601140, 279202280]

約数ペア:

[(1, 279202280), (2, 139601140), (4, 69800570), (5, 55840456), (7, 39886040), (8, 34900285), (10, 27920228), (14, 19943020), (20, 13960114), (28, 9971510), (35, 7977208), (40, 6980057), (56, 4985755), (70, 3988604), (140, 1994302), (280, 997151)]