The factors of the number 445,563,540 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 986, 1020, 1044, 1305, 1479, 1530, 1740, 1972, 2465, 2610, 2958, 3060, 4437, 4930, 5021, 5220, 5916, 7395, 8874, 9860, 10042, 14790, 15063, 17748, 20084, 22185, 25105, 29580, 30126, 44370, 45189, 50210, 60252, 75315, 85357, 88740, 90378, 100420, 145609, 150630, 170714, 180756, 225945, 256071, 291218, 301260, 341428, 426785, 436827, 451890, 512142, 582436, 728045, 768213, 853570, 873654, 903780, 1024284, 1280355, 1310481, 1456090, 1536426, 1707140, 1747308, 2184135, 2475353, 2560710, 2620962, 2912180, 3072852, 3841065, 4368270, 4950706, 5121420, 5241924, 6552405, 7426059, 7682130, 8736540, 9901412, 12376765, 13104810, 14852118, 15364260, 22278177, 24753530, 26209620, 29704236, 37130295, 44556354, 49507060, 74260590, 89112708, 111390885, 148521180, 222781770, 445563540.
If you add them up, you will get the total of 1,480,686,480.