85870820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{613363}}^1$

素因数の和:613379

約数の個数: 24

約数和(自身を含む): 206090304

約数和(自身を除く): 120219484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613363, 1226726, 2453452, 3066815, 4293541, 6133630, 8587082, 12267260, 17174164, 21467705, 42935410, 85870820]

約数ペア:

[(1, 85870820), (2, 42935410), (4, 21467705), (5, 17174164), (7, 12267260), (10, 8587082), (14, 6133630), (20, 4293541), (28, 3066815), (35, 2453452), (70, 1226726), (140, 613363)]