I divisori di 9998990 sono 16, elencati qui di seguito: 1; 2; 5; 10; 307; 614; 1535; 3070; 3257; 6514; 16285; 32570; 999899; 1999798; 4999495; 9998990
9998971, 9998972, 9998973, 9998974, 9998975, 9998976, 9998977, 9998978, 9998979, 9998980, 9998981, 9998982, 9998983, 9998984, 9998985, 9998986, 9998987, 9998988, 9998989, 9998991, 9998992, 9998993, 9998994, 9998995, 9998996, 9998997, 9998998, 9998999, 9999000, 9999001, 9999002, 9999003, 9999004, 9999005, 9999006, 9999007, 9999008, 9999009