306565225

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{112501}}^1$

素因数の和:112620

約数の個数: 12

約数和(自身を含む): 383631820

約数和(自身を除く): 77066595

約数列:

[1, 5, 25, 109, 545, 2725, 112501, 562505, 2812525, 12262609, 61313045, 306565225]

約数ペア:

[(1, 306565225), (5, 61313045), (25, 12262609), (109, 2812525), (545, 562505), (2725, 112501)]