2699420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 5751648

約数和(自身を除く): 3052228

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1901, 3802, 7604, 9505, 19010, 38020, 134971, 269942, 539884, 674855, 1349710, 2699420]

約数ペア:

[(1, 2699420), (2, 1349710), (4, 674855), (5, 539884), (10, 269942), (20, 134971), (71, 38020), (142, 19010), (284, 9505), (355, 7604), (710, 3802), (1420, 1901)]