2195660

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 4638816

約数和(自身を除く): 2443156

約数列:

[1, 2, 4, 5, 10, 20, 311, 353, 622, 706, 1244, 1412, 1555, 1765, 3110, 3530, 6220, 7060, 109783, 219566, 439132, 548915, 1097830, 2195660]

約数ペア:

[(1, 2195660), (2, 1097830), (4, 548915), (5, 439132), (10, 219566), (20, 109783), (311, 7060), (353, 6220), (622, 3530), (706, 3110), (1244, 1765), (1412, 1555)]