422180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 1028160

約数和(自身を除く): 605980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 101, 110, 190, 202, 209, 220, 380, 404, 418, 505, 836, 1010, 1045, 1111, 1919, 2020, 2090, 2222, 3838, 4180, 4444, 5555, 7676, 9595, 11110, 19190, 21109, 22220, 38380, 42218, 84436, 105545, 211090, 422180]

約数ペア:

[(1, 422180), (2, 211090), (4, 105545), (5, 84436), (10, 42218), (11, 38380), (19, 22220), (20, 21109), (22, 19190), (38, 11110), (44, 9595), (55, 7676), (76, 5555), (95, 4444), (101, 4180), (110, 3838), (190, 2222), (202, 2090), (209, 2020), (220, 1919), (380, 1111), (404, 1045), (418, 1010), (505, 836)]