这里的“因子”

P1593 因子和

@[applese](/space/show?uid=22258) ![](https://cdn.luogu.com.cn/upload/pic/4320.png)
by 何炜华8864 @ 2017-02-24 17:01:02


...........
by Sonorous @ 2017-02-24 17:03:10


@[Sonorous](/space/show?uid=22258) 那管理员这题是有问题吗
by 胖叽猪羊君 @ 2017-08-28 10:53:48


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