198894530

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1123}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 364176000

約数和(自身を除く): 165281470

約数列:

[1, 2, 5, 10, 89, 178, 199, 398, 445, 890, 995, 1123, 1990, 2246, 5615, 11230, 17711, 35422, 88555, 99947, 177110, 199894, 223477, 446954, 499735, 999470, 1117385, 2234770, 19889453, 39778906, 99447265, 198894530]

約数ペア:

[(1, 198894530), (2, 99447265), (5, 39778906), (10, 19889453), (89, 2234770), (178, 1117385), (199, 999470), (398, 499735), (445, 446954), (890, 223477), (995, 199894), (1123, 177110), (1990, 99947), (2246, 88555), (5615, 35422), (11230, 17711)]