2916220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 6174000

約数和(自身を除く): 3257780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1049, 1390, 2098, 2780, 4196, 5245, 10490, 20980, 145811, 291622, 583244, 729055, 1458110, 2916220]

約数ペア:

[(1, 2916220), (2, 1458110), (4, 729055), (5, 583244), (10, 291622), (20, 145811), (139, 20980), (278, 10490), (556, 5245), (695, 4196), (1049, 2780), (1390, 2098)]