349212860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{196187}}^1$

素因数の和:196285

約数の個数: 24

約数和(自身を含む): 741590640

約数和(自身を除く): 392377780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 196187, 392374, 784748, 980935, 1961870, 3923740, 17460643, 34921286, 69842572, 87303215, 174606430, 349212860]

約数ペア:

[(1, 349212860), (2, 174606430), (4, 87303215), (5, 69842572), (10, 34921286), (20, 17460643), (89, 3923740), (178, 1961870), (356, 980935), (445, 784748), (890, 392374), (1780, 196187)]