15197420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108553}}^1$

素因数の和:108569

約数の個数: 24

約数和(自身を含む): 36474144

約数和(自身を除く): 21276724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108553, 217106, 434212, 542765, 759871, 1085530, 1519742, 2171060, 3039484, 3799355, 7598710, 15197420]

約数ペア:

[(1, 15197420), (2, 7598710), (4, 3799355), (5, 3039484), (7, 2171060), (10, 1519742), (14, 1085530), (20, 759871), (28, 542765), (35, 434212), (70, 217106), (140, 108553)]