202221140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{2777}}^1$

素因数の和:3128

約数の個数: 48

約数和(自身を含む): 464837184

約数和(自身を除く): 262616044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 662, 1324, 1655, 2777, 3310, 3641, 5554, 6620, 7282, 11108, 13885, 14564, 18205, 27770, 30547, 36410, 55540, 61094, 72820, 122188, 152735, 305470, 610940, 919187, 1838374, 3676748, 4595935, 9191870, 10111057, 18383740, 20222114, 40444228, 50555285, 101110570, 202221140]

約数ペア:

[(1, 202221140), (2, 101110570), (4, 50555285), (5, 40444228), (10, 20222114), (11, 18383740), (20, 10111057), (22, 9191870), (44, 4595935), (55, 3676748), (110, 1838374), (220, 919187), (331, 610940), (662, 305470), (1324, 152735), (1655, 122188), (2777, 72820), (3310, 61094), (3641, 55540), (5554, 36410), (6620, 30547), (7282, 27770), (11108, 18205), (13885, 14564)]