89902990

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{28723}}^1$

素因数の和:29043

約数の個数: 16

約数和(自身を含む): 162348048

約数和(自身を除く): 72445058

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 28723, 57446, 143615, 287230, 8990299, 17980598, 44951495, 89902990]

約数ペア:

[(1, 89902990), (2, 44951495), (5, 17980598), (10, 8990299), (313, 287230), (626, 143615), (1565, 57446), (3130, 28723)]