68707940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{490771}}^1$

素因数の和:490787

約数の個数: 24

約数和(自身を含む): 164899392

約数和(自身を除く): 96191452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 490771, 981542, 1963084, 2453855, 3435397, 4907710, 6870794, 9815420, 13741588, 17176985, 34353970, 68707940]

約数ペア:

[(1, 68707940), (2, 34353970), (4, 17176985), (5, 13741588), (7, 9815420), (10, 6870794), (14, 4907710), (20, 3435397), (28, 2453855), (35, 1963084), (70, 981542), (140, 490771)]