129399340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{924281}}^1$

素因数の和:924297

約数の個数: 24

約数和(自身を含む): 310558752

約数和(自身を除く): 181159412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 924281, 1848562, 3697124, 4621405, 6469967, 9242810, 12939934, 18485620, 25879868, 32349835, 64699670, 129399340]

約数ペア:

[(1, 129399340), (2, 64699670), (4, 32349835), (5, 25879868), (7, 18485620), (10, 12939934), (14, 9242810), (20, 6469967), (28, 4621405), (35, 3697124), (70, 1848562), (140, 924281)]