28797290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 54000000

約数和(自身を除く): 25202710

約数列:

[1, 2, 5, 10, 29, 58, 145, 199, 290, 398, 499, 995, 998, 1990, 2495, 4990, 5771, 11542, 14471, 28855, 28942, 57710, 72355, 99301, 144710, 198602, 496505, 993010, 2879729, 5759458, 14398645, 28797290]

約数ペア:

[(1, 28797290), (2, 14398645), (5, 5759458), (10, 2879729), (29, 993010), (58, 496505), (145, 198602), (199, 144710), (290, 99301), (398, 72355), (499, 57710), (995, 28942), (998, 28855), (1990, 14471), (2495, 11542), (4990, 5771)]