68902100

素因数分解:

$2^2\times 5^2\times {\mathrm{689021}}^1$

素因数の和:689035

約数の個数: 18

約数和(自身を含む): 149517774

約数和(自身を除く): 80615674

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 689021, 1378042, 2756084, 3445105, 6890210, 13780420, 17225525, 34451050, 68902100]

約数ペア:

[(1, 68902100), (2, 34451050), (4, 17225525), (5, 13780420), (10, 6890210), (20, 3445105), (25, 2756084), (50, 1378042), (100, 689021)]