87220420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{623003}}^1$

素因数の和:623019

約数の個数: 24

約数和(自身を含む): 209329344

約数和(自身を除く): 122108924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 623003, 1246006, 2492012, 3115015, 4361021, 6230030, 8722042, 12460060, 17444084, 21805105, 43610210, 87220420]

約数ペア:

[(1, 87220420), (2, 43610210), (4, 21805105), (5, 17444084), (7, 12460060), (10, 8722042), (14, 6230030), (20, 4361021), (28, 3115015), (35, 2492012), (70, 1246006), (140, 623003)]