221448304

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1039}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 538536960

約数和(自身を除く): 317088656

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 173, 176, 308, 346, 616, 692, 1039, 1211, 1232, 1384, 1903, 2078, 2422, 2768, 3806, 4156, 4844, 7273, 7612, 8312, 9688, 11429, 13321, 14546, 15224, 16624, 19376, 22858, 26642, 29092, 30448, 45716, 53284, 58184, 80003, 91432, 106568, 116368, 160006, 179747, 182864, 213136, 320012, 359494, 640024, 718988, 1258229, 1280048, 1437976, 1977217, 2516458, 2875952, 3954434, 5032916, 7908868, 10065832, 13840519, 15817736, 20131664, 27681038, 31635472, 55362076, 110724152, 221448304]

約数ペア:

[(1, 221448304), (2, 110724152), (4, 55362076), (7, 31635472), (8, 27681038), (11, 20131664), (14, 15817736), (16, 13840519), (22, 10065832), (28, 7908868), (44, 5032916), (56, 3954434), (77, 2875952), (88, 2516458), (112, 1977217), (154, 1437976), (173, 1280048), (176, 1258229), (308, 718988), (346, 640024), (616, 359494), (692, 320012), (1039, 213136), (1211, 182864), (1232, 179747), (1384, 160006), (1903, 116368), (2078, 106568), (2422, 91432), (2768, 80003), (3806, 58184), (4156, 53284), (4844, 45716), (7273, 30448), (7612, 29092), (8312, 26642), (9688, 22858), (11429, 19376), (13321, 16624), (14546, 15224)]