885778850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{8093}}^1$

素因数の和:8315

約数の個数: 48

約数和(自身を含む): 1806580800

約数和(自身を除く): 920801950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 199, 275, 398, 550, 995, 1990, 2189, 4378, 4975, 8093, 9950, 10945, 16186, 21890, 40465, 54725, 80930, 89023, 109450, 178046, 202325, 404650, 445115, 890230, 1610507, 2225575, 3221014, 4451150, 8052535, 16105070, 17715577, 35431154, 40262675, 80525350, 88577885, 177155770, 442889425, 885778850]

約数ペア:

[(1, 885778850), (2, 442889425), (5, 177155770), (10, 88577885), (11, 80525350), (22, 40262675), (25, 35431154), (50, 17715577), (55, 16105070), (110, 8052535), (199, 4451150), (275, 3221014), (398, 2225575), (550, 1610507), (995, 890230), (1990, 445115), (2189, 404650), (4378, 202325), (4975, 178046), (8093, 109450), (9950, 89023), (10945, 80930), (16186, 54725), (21890, 40465)]