4784380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1721}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 10125360

約数和(自身を除く): 5340980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1721, 2780, 3442, 6884, 8605, 17210, 34420, 239219, 478438, 956876, 1196095, 2392190, 4784380]

約数ペア:

[(1, 4784380), (2, 2392190), (4, 1196095), (5, 956876), (10, 478438), (20, 239219), (139, 34420), (278, 17210), (556, 8605), (695, 6884), (1390, 3442), (1721, 2780)]