2990440

素因数分解:

$2^3\times 5^1\times {\mathrm{74761}}^1$

素因数の和:74772

約数の個数: 16

約数和(自身を含む): 6728580

約数和(自身を除く): 3738140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 74761, 149522, 299044, 373805, 598088, 747610, 1495220, 2990440]

約数ペア:

[(1, 2990440), (2, 1495220), (4, 747610), (5, 598088), (8, 373805), (10, 299044), (20, 149522), (40, 74761)]