289248860

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{79903}}^1$

素因数の和:80093

約数の個数: 24

約数和(自身を含む): 610786176

約数和(自身を除く): 321537316

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 79903, 159806, 319612, 399515, 799030, 1598060, 14462443, 28924886, 57849772, 72312215, 144624430, 289248860]

約数ペア:

[(1, 289248860), (2, 144624430), (4, 72312215), (5, 57849772), (10, 28924886), (20, 14462443), (181, 1598060), (362, 799030), (724, 399515), (905, 319612), (1810, 159806), (3620, 79903)]