1279137020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9136693}}^1$

素因数の和:9136709

約数の個数: 24

約数和(自身を含む): 3069929184

約数和(自身を除く): 1790792164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9136693, 18273386, 36546772, 45683465, 63956851, 91366930, 127913702, 182733860, 255827404, 319784255, 639568510, 1279137020]

約数ペア:

[(1, 1279137020), (2, 639568510), (4, 319784255), (5, 255827404), (7, 182733860), (10, 127913702), (14, 91366930), (20, 63956851), (28, 45683465), (35, 36546772), (70, 18273386), (140, 9136693)]