| 약수 |
1,
2,
3,
4,
5,
6,
7,
10,
12,
14,
15,
20,
21,
28,
30,
35,
42,
60,
70,
84,
105,
140,
210,
420,
647,
1294,
1941,
2588,
3235,
3331,
3882,
4529,
6470,
6662,
7764,
9058,
9705,
9993,
12940,
13324,
13587,
16655,
18116,
19410,
19986,
22645,
23317,
27174,
33310,
38820,
39972,
45290,
46634,
49965,
54348,
66620,
67935,
69951,
90580,
93268,
99930,
116585,
135870,
139902,
199860,
233170,
271740,
279804,
349755,
466340,
699510,
1399020,
2155157,
4310314,
6465471,
8620628,
10775785,
12930942,
15086099,
21551570,
25861884,
30172198,
32327355,
43103140,
45258297,
60344396,
64654710,
75430495,
90516594,
129309420,
150860990,
181033188,
226291485,
301721980,
452582970,
905165940
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