ID NAME QUALITY USERS ACC % DIFFICULTY C I
19975 Amazing Prime Sequence (hard)   3 44
34
42
20173 Counting Divisors (square)   5 167
26
38
20174 Counting Divisors (cube)   3 147
17
43
34096 Counting Divisors (general)   99
19985 GCD Extreme (hard)   62
34
34
36936 K-Divisors   1 1
34
34
34357 Ludic Numbers (hard)   1 2
19913 Counting Pythagorean Triples   1 9
34
34

#sub-linear