202223780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{1009}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 464244480

約数和(自身を除く): 262020700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 911, 1009, 1822, 2018, 3644, 4036, 4555, 5045, 9110, 10021, 10090, 11099, 18220, 20042, 20180, 22198, 40084, 44396, 50105, 55495, 100210, 110990, 200420, 221980, 919199, 1838398, 3676796, 4595995, 9191990, 10111189, 18383980, 20222378, 40444756, 50555945, 101111890, 202223780]

約数ペア:

[(1, 202223780), (2, 101111890), (4, 50555945), (5, 40444756), (10, 20222378), (11, 18383980), (20, 10111189), (22, 9191990), (44, 4595995), (55, 3676796), (110, 1838398), (220, 919199), (911, 221980), (1009, 200420), (1822, 110990), (2018, 100210), (3644, 55495), (4036, 50105), (4555, 44396), (5045, 40084), (9110, 22198), (10021, 20180), (10090, 20042), (11099, 18220)]