219026420

素因数分解:

$2^2\times 5^1\times {\mathrm{2803}}^1\times {\mathrm{3907}}^1$

素因数の和:6719

約数の個数: 24

約数和(自身を含む): 460237344

約数和(自身を除く): 241210924

約数列:

[1, 2, 4, 5, 10, 20, 2803, 3907, 5606, 7814, 11212, 14015, 15628, 19535, 28030, 39070, 56060, 78140, 10951321, 21902642, 43805284, 54756605, 109513210, 219026420]

約数ペア:

[(1, 219026420), (2, 109513210), (4, 54756605), (5, 43805284), (10, 21902642), (20, 10951321), (2803, 78140), (3907, 56060), (5606, 39070), (7814, 28030), (11212, 19535), (14015, 15628)]