289768270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{13649}}^1$

素因数の和:13860

約数の個数: 32

約数和(自身を含む): 571989600

約数和(自身を除く): 282221330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 1930, 2123, 4246, 10615, 13649, 21230, 27298, 68245, 136490, 150139, 300278, 750695, 1501390, 2634257, 5268514, 13171285, 26342570, 28976827, 57953654, 144884135, 289768270]

約数ペア:

[(1, 289768270), (2, 144884135), (5, 57953654), (10, 28976827), (11, 26342570), (22, 13171285), (55, 5268514), (110, 2634257), (193, 1501390), (386, 750695), (965, 300278), (1930, 150139), (2123, 136490), (4246, 68245), (10615, 27298), (13649, 21230)]