290392120

素因数分解:

$2^3\times 5^1\times {\mathrm{7259803}}^1$

素因数の和:7259814

約数の個数: 16

約数和(自身を含む): 653382360

約数和(自身を除く): 362990240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7259803, 14519606, 29039212, 36299015, 58078424, 72598030, 145196060, 290392120]

約数ペア:

[(1, 290392120), (2, 145196060), (4, 72598030), (5, 58078424), (8, 36299015), (10, 29039212), (20, 14519606), (40, 7259803)]