I divisori di 990505 sono 16, elencati qui di seguito: 1; 5; 17; 43; 85; 215; 271; 731; 1355; 3655; 4607; 11653; 23035; 58265; 198101; 990505
990486, 990487, 990488, 990489, 990490, 990491, 990492, 990493, 990494, 990495, 990496, 990497, 990498, 990499, 990500, 990501, 990502, 990503, 990504, 990506, 990507, 990508, 990509, 990510, 990511, 990512, 990513, 990514, 990515, 990516, 990517, 990518, 990519, 990520, 990521, 990522, 990523, 990524