164079860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171999}}^1$

素因数の和:1172015

約数の個数: 24

約数和(自身を含む): 393792000

約数和(自身を除く): 229712140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171999, 2343998, 4687996, 5859995, 8203993, 11719990, 16407986, 23439980, 32815972, 41019965, 82039930, 164079860]

約数ペア:

[(1, 164079860), (2, 82039930), (4, 41019965), (5, 32815972), (7, 23439980), (10, 16407986), (14, 11719990), (20, 8203993), (28, 5859995), (35, 4687996), (70, 2343998), (140, 1171999)]