199486540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{906757}}^1$

素因数の和:906777

約数の個数: 24

約数和(自身を含む): 457006032

約数和(自身を除く): 257519492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 906757, 1813514, 3627028, 4533785, 9067570, 9974327, 18135140, 19948654, 39897308, 49871635, 99743270, 199486540]

約数ペア:

[(1, 199486540), (2, 99743270), (4, 49871635), (5, 39897308), (10, 19948654), (11, 18135140), (20, 9974327), (22, 9067570), (44, 4533785), (55, 3627028), (110, 1813514), (220, 906757)]