139968220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{999773}}^1$

素因数の和:999789

約数の個数: 24

約数和(自身を含む): 335924064

約数和(自身を除く): 195955844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 999773, 1999546, 3999092, 4998865, 6998411, 9997730, 13996822, 19995460, 27993644, 34992055, 69984110, 139968220]

約数ペア:

[(1, 139968220), (2, 69984110), (4, 34992055), (5, 27993644), (7, 19995460), (10, 13996822), (14, 9997730), (20, 6998411), (28, 4998865), (35, 3999092), (70, 1999546), (140, 999773)]