The factors of the number 331,223,310 are: 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 229, 270, 297, 330, 458, 487, 495, 594, 687, 974, 990, 1145, 1374, 1461, 1485, 2061, 2290, 2435, 2519, 2922, 2970, 3435, 4122, 4383, 4870, 5038, 5357, 6183, 6870, 7305, 7557, 8766, 10305, 10714, 12366, 12595, 13149, 14610, 15114, 16071, 20610, 21915, 22671, 25190, 26298, 26785, 30915, 32142, 37785, 43830, 45342, 48213, 53570, 61830, 65745, 68013, 75570, 80355, 96426, 111523, 113355, 131490, 136026, 144639, 160710, 223046, 226710, 241065, 289278, 334569, 340065, 482130, 557615, 669138, 680130, 723195, 1003707, 1115230, 1226753, 1446390, 1672845, 2007414, 2453506, 3011121, 3345690, 3680259, 5018535, 6022242, 6133765, 7360518, 10037070, 11040777, 12267530, 15055605, 18401295, 22081554, 30111210, 33122331, 36802590, 55203885, 66244662, 110407770, 165611655, 331223310.
If you add them up, you will get the total of 331,223,948. Now subtract 331,223,310 to get 638,530,290