290855660

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{11161}}^1$

素因数の和:12473

約数の個数: 24

約数和(自身を含む): 611320416

約数和(自身を除く): 320464756

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 5212, 6515, 11161, 13030, 22322, 26060, 44644, 55805, 111610, 223220, 14542783, 29085566, 58171132, 72713915, 145427830, 290855660]

約数ペア:

[(1, 290855660), (2, 145427830), (4, 72713915), (5, 58171132), (10, 29085566), (20, 14542783), (1303, 223220), (2606, 111610), (5212, 55805), (6515, 44644), (11161, 26060), (13030, 22322)]