28990540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30841}}^1$

素因数の和:30897

約数の個数: 24

約数和(自身を含む): 62177472

約数和(自身を除く): 33186932

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 30841, 61682, 123364, 154205, 308410, 616820, 1449527, 2899054, 5798108, 7247635, 14495270, 28990540]

約数ペア:

[(1, 28990540), (2, 14495270), (4, 7247635), (5, 5798108), (10, 2899054), (20, 1449527), (47, 616820), (94, 308410), (188, 154205), (235, 123364), (470, 61682), (940, 30841)]