1
2
3
4
Challenge
100

4

1, 2, 4

100

9

1, 3, 9

100

6

1, 2, 3, 6

100

8

1, 2, 4, 8

100

46

1, 2, 23, 46

200

12

1, 2, 3, 4, 6, 12

200

15

1, 3, 5, 15

200

16

1, 2, 4, 8, 16

200

21

1, 3, 7, 21

200

50

1, 2, 5, 10, 25, 50

300

18

1, 2, 3, 6, 9, 18

300

20

1, 2, 4, 5, 10, 20

300

33

1, 3, 11, 33

300

27

1, 3, 9, 27

300

52

1, 2, 4, 13, 26, 52

400

34

1, 2, 17, 34

400

24

1, 2, 3, 4, 6, 8, 12, 24

400

28

1, 2, 4, 7, 14, 28

400

36

1, 2, 3, 4, 6, 9, 12, 18, 36

400

64

1, 2, 4, 8, 16, 32, 64

M
e
n
u