7619980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2741}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 16122960

約数和(自身を除く): 8502980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2741, 2780, 5482, 10964, 13705, 27410, 54820, 380999, 761998, 1523996, 1904995, 3809990, 7619980]

約数ペア:

[(1, 7619980), (2, 3809990), (4, 1904995), (5, 1523996), (10, 761998), (20, 380999), (139, 54820), (278, 27410), (556, 13705), (695, 10964), (1390, 5482), (2741, 2780)]