Oct 26 (Reuters) - Japanese retailer Aeon Co is set to acquire France-based Carrefour SA's Malaysian business for slightly more than 20 billion yen ($250 million) as part of its push into Southeast Asia, the Nikkei said.

The deal, which is expected to be completed by next week, will make Aeon, Japan's No.1 supermarket operator, one of the biggest retailers in Malaysia, the business daily reported.