21977884820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{572639}}^1$

素因数の和:572768

約数の個数: 48

約数和(自身を含む): 49063795200

約数和(自身を除く): 27085910380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 7676, 9595, 19190, 38380, 572639, 1145278, 2290556, 2863195, 5726390, 10880141, 11452780, 21760282, 43520564, 54400705, 57836539, 108801410, 115673078, 217602820, 231346156, 289182695, 578365390, 1098894241, 1156730780, 2197788482, 4395576964, 5494471205, 10988942410, 21977884820]

約数ペア:

[(1, 21977884820), (2, 10988942410), (4, 5494471205), (5, 4395576964), (10, 2197788482), (19, 1156730780), (20, 1098894241), (38, 578365390), (76, 289182695), (95, 231346156), (101, 217602820), (190, 115673078), (202, 108801410), (380, 57836539), (404, 54400705), (505, 43520564), (1010, 21760282), (1919, 11452780), (2020, 10880141), (3838, 5726390), (7676, 2863195), (9595, 2290556), (19190, 1145278), (38380, 572639)]