406420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2903}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 975744

約数和(自身を除く): 569324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2903, 5806, 11612, 14515, 20321, 29030, 40642, 58060, 81284, 101605, 203210, 406420]

約数ペア:

[(1, 406420), (2, 203210), (4, 101605), (5, 81284), (7, 58060), (10, 40642), (14, 29030), (20, 20321), (28, 14515), (35, 11612), (70, 5806), (140, 2903)]