173637940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1240271}}^1$

素因数の和:1240287

約数の個数: 24

約数和(自身を含む): 416731392

約数和(自身を除く): 243093452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1240271, 2480542, 4961084, 6201355, 8681897, 12402710, 17363794, 24805420, 34727588, 43409485, 86818970, 173637940]

約数ペア:

[(1, 173637940), (2, 86818970), (4, 43409485), (5, 34727588), (7, 24805420), (10, 17363794), (14, 12402710), (20, 8681897), (28, 6201355), (35, 4961084), (70, 2480542), (140, 1240271)]