28369180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202637}}^1$

素因数の和:202653

約数の個数: 24

約数和(自身を含む): 68086368

約数和(自身を除く): 39717188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202637, 405274, 810548, 1013185, 1418459, 2026370, 2836918, 4052740, 5673836, 7092295, 14184590, 28369180]

約数ペア:

[(1, 28369180), (2, 14184590), (4, 7092295), (5, 5673836), (7, 4052740), (10, 2836918), (14, 2026370), (20, 1418459), (28, 1013185), (35, 810548), (70, 405274), (140, 202637)]