137788780

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{3851}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 289593360

約数和(自身を除く): 151804580

約数列:

[1, 2, 4, 5, 10, 20, 1789, 3578, 3851, 7156, 7702, 8945, 15404, 17890, 19255, 35780, 38510, 77020, 6889439, 13778878, 27557756, 34447195, 68894390, 137788780]

約数ペア:

[(1, 137788780), (2, 68894390), (4, 34447195), (5, 27557756), (10, 13778878), (20, 6889439), (1789, 77020), (3578, 38510), (3851, 35780), (7156, 19255), (7702, 17890), (8945, 15404)]