3989860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28499}}^1$

素因数の和:28515

約数の個数: 24

約数和(自身を含む): 9576000

約数和(自身を除く): 5586140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28499, 56998, 113996, 142495, 199493, 284990, 398986, 569980, 797972, 997465, 1994930, 3989860]

約数ペア:

[(1, 3989860), (2, 1994930), (4, 997465), (5, 797972), (7, 569980), (10, 398986), (14, 284990), (20, 199493), (28, 142495), (35, 113996), (70, 56998), (140, 28499)]