139307420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{995053}}^1$

素因数の和:995069

約数の個数: 24

約数和(自身を含む): 334338144

約数和(自身を除く): 195030724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 995053, 1990106, 3980212, 4975265, 6965371, 9950530, 13930742, 19901060, 27861484, 34826855, 69653710, 139307420]

約数ペア:

[(1, 139307420), (2, 69653710), (4, 34826855), (5, 27861484), (7, 19901060), (10, 13930742), (14, 9950530), (20, 6965371), (28, 4975265), (35, 3980212), (70, 1990106), (140, 995053)]