149015420

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{21107}}^1$

素因数の和:21469

約数の個数: 24

約数和(自身を含む): 313833744

約数和(自身を除く): 164818324

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 21107, 42214, 84428, 105535, 211070, 422140, 7450771, 14901542, 29803084, 37253855, 74507710, 149015420]

約数ペア:

[(1, 149015420), (2, 74507710), (4, 37253855), (5, 29803084), (10, 14901542), (20, 7450771), (353, 422140), (706, 211070), (1412, 105535), (1765, 84428), (3530, 42214), (7060, 21107)]