7120420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4877}}^1$

素因数の和:4959

約数の個数: 24

約数和(自身を含む): 15160824

約数和(自身を除く): 8040404

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 4877, 9754, 19508, 24385, 48770, 97540, 356021, 712042, 1424084, 1780105, 3560210, 7120420]

約数ペア:

[(1, 7120420), (2, 3560210), (4, 1780105), (5, 1424084), (10, 712042), (20, 356021), (73, 97540), (146, 48770), (292, 24385), (365, 19508), (730, 9754), (1460, 4877)]