Show:
x2
x3
x4
x5
x10
100

2x2

4

100

3x3

9

100

2x4

8

100

5x2

10

100

10x2

20

200

2x4

8

200

3x4

12

200

4x4

16

200

5x5

25

200

10x5

50

300

2x6

12

300

3x6

18

300

4x6

24

300

7x5

35

300

9x10

90

400

8x2

16

400

9x3

27

400

7x4

28

400

9x5

45

400

10x10

100

500

12x2

24

500

12x3

36

500

12x4

48

500

12x5

60

500

12x10

120