2506420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17903}}^1$

素因数の和:17919

約数の個数: 24

約数和(自身を含む): 6015744

約数和(自身を除く): 3509324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17903, 35806, 71612, 89515, 125321, 179030, 250642, 358060, 501284, 626605, 1253210, 2506420]

約数ペア:

[(1, 2506420), (2, 1253210), (4, 626605), (5, 501284), (7, 358060), (10, 250642), (14, 179030), (20, 125321), (28, 89515), (35, 71612), (70, 35806), (140, 17903)]