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n=l × 19³ Column A Column BThe number of distinct
n=l × 19³ Column A Column BThe number of distinct
游客
2024-01-12
42
管理
问题
n=l × 19³
Column A Column B
The number of distinct 10
positive factors of n
选项
A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案
B
解析
本题的正确答案为(B)。该题也就是让考生求n的正因子(positive factor)的个数。因子求解法则是:
因子数=(x+1)×(y+1)×(z+1);根据此法则可得n的因子个数为(1+1)×(3+1)=8
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