| 約数 |
1,
2,
4,
5,
10,
11,
20,
22,
25,
44,
50,
55,
100,
110,
125,
220,
250,
275,
500,
550,
625,
977,
1100,
1250,
1375,
1954,
2500,
2750,
3125,
3908,
4885,
5500,
6250,
6875,
9770,
10747,
12500,
13750,
15625,
19540,
21494,
24425,
27500,
31250,
34375,
42988,
48850,
53735,
62500,
68750,
97700,
107470,
122125,
137500,
171875,
214940,
244250,
268675,
343750,
488500,
537350,
610625,
687500,
1074700,
1221250,
1343375,
2442500,
2686750,
3053125,
5373500,
6106250,
6716875,
12212500,
13433750,
15265625,
26867500,
30531250,
33584375,
61062500,
67168750,
134337500,
167921875,
335843750,
671687500
|