220939180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{143467}}^1$

素因数の和:143494

約数の個数: 48

約数和(自身を含む): 578462976

約数和(自身を除く): 357523796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 143467, 286934, 573868, 717335, 1004269, 1434670, 1578137, 2008538, 2869340, 3156274, 4017076, 5021345, 6312548, 7890685, 10042690, 11046959, 15781370, 20085380, 22093918, 31562740, 44187836, 55234795, 110469590, 220939180]

約数ペア:

[(1, 220939180), (2, 110469590), (4, 55234795), (5, 44187836), (7, 31562740), (10, 22093918), (11, 20085380), (14, 15781370), (20, 11046959), (22, 10042690), (28, 7890685), (35, 6312548), (44, 5021345), (55, 4017076), (70, 3156274), (77, 2869340), (110, 2008538), (140, 1578137), (154, 1434670), (220, 1004269), (308, 717335), (385, 573868), (770, 286934), (1540, 143467)]