1331620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 2822400

約数和(自身を除く): 1490780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 479, 556, 695, 958, 1390, 1916, 2395, 2780, 4790, 9580, 66581, 133162, 266324, 332905, 665810, 1331620]

約数ペア:

[(1, 1331620), (2, 665810), (4, 332905), (5, 266324), (10, 133162), (20, 66581), (139, 9580), (278, 4790), (479, 2780), (556, 2395), (695, 1916), (958, 1390)]