100142420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{715303}}^1$

素因数の和:715319

約数の個数: 24

約数和(自身を含む): 240342144

約数和(自身を除く): 140199724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 715303, 1430606, 2861212, 3576515, 5007121, 7153030, 10014242, 14306060, 20028484, 25035605, 50071210, 100142420]

約数ペア:

[(1, 100142420), (2, 50071210), (4, 25035605), (5, 20028484), (7, 14306060), (10, 10014242), (14, 7153030), (20, 5007121), (28, 3576515), (35, 2861212), (70, 1430606), (140, 715303)]