1409220820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10065863}}^1$

素因数の和:10065879

約数の個数: 24

約数和(自身を含む): 3382130304

約数和(自身を除く): 1972909484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10065863, 20131726, 40263452, 50329315, 70461041, 100658630, 140922082, 201317260, 281844164, 352305205, 704610410, 1409220820]

約数ペア:

[(1, 1409220820), (2, 704610410), (4, 352305205), (5, 281844164), (7, 201317260), (10, 140922082), (14, 100658630), (20, 70461041), (28, 50329315), (35, 40263452), (70, 20131726), (140, 10065863)]