138123860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{986599}}^1$

素因数の和:986615

約数の個数: 24

約数和(自身を含む): 331497600

約数和(自身を除く): 193373740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 986599, 1973198, 3946396, 4932995, 6906193, 9865990, 13812386, 19731980, 27624772, 34530965, 69061930, 138123860]

約数ペア:

[(1, 138123860), (2, 69061930), (4, 34530965), (5, 27624772), (7, 19731980), (10, 13812386), (14, 9865990), (20, 6906193), (28, 4932995), (35, 3946396), (70, 1973198), (140, 986599)]