209130670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{27409}}^1$

素因数の和:27532

約数の個数: 32

約数和(自身を含む): 434174400

約数和(自身を除く): 225043730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 27409, 54818, 137045, 191863, 274090, 383726, 959315, 1918630, 2987581, 5975162, 14937905, 20913067, 29875810, 41826134, 104565335, 209130670]

約数ペア:

[(1, 209130670), (2, 104565335), (5, 41826134), (7, 29875810), (10, 20913067), (14, 14937905), (35, 5975162), (70, 2987581), (109, 1918630), (218, 959315), (545, 383726), (763, 274090), (1090, 191863), (1526, 137045), (3815, 54818), (7630, 27409)]