71512420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510803}}^1$

素因数の和:510819

約数の個数: 24

約数和(自身を含む): 171630144

約数和(自身を除く): 100117724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510803, 1021606, 2043212, 2554015, 3575621, 5108030, 7151242, 10216060, 14302484, 17878105, 35756210, 71512420]

約数ペア:

[(1, 71512420), (2, 35756210), (4, 17878105), (5, 14302484), (7, 10216060), (10, 7151242), (14, 5108030), (20, 3575621), (28, 2554015), (35, 2043212), (70, 1021606), (140, 510803)]