diff options
Diffstat (limited to '21.lua')
-rw-r--r-- | 21.lua | 24 |
1 files changed, 0 insertions, 24 deletions
@@ -1,24 +0,0 @@ -function d(n) - if n < 2 then return 0 end - local ret = 1 - local test = 2 - local limit = math.sqrt(n) - while test < limit do - if n % test == 0 then - ret = ret + test + n / test - end - test = test + 1 - end - if limit == math.floor(limit) then ret = ret + limit end - return ret -end - -local sum = 0 -for i = 1, 9999 do - local di = d(i) - if d(di) == i and i ~= di then - print(i .. ": " .. di) - sum = sum + i - end -end -print(sum) |