279699112

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 686407680

約数和(自身を除く): 406708568

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 97, 124, 151, 154, 194, 217, 248, 302, 308, 341, 388, 434, 604, 616, 679, 682, 776, 868, 1057, 1067, 1208, 1358, 1364, 1661, 1736, 2114, 2134, 2387, 2716, 2728, 3007, 3322, 4228, 4268, 4681, 4774, 5432, 6014, 6644, 7469, 8456, 8536, 9362, 9548, 11627, 12028, 13288, 14647, 14938, 18724, 19096, 21049, 23254, 24056, 29294, 29876, 32767, 33077, 37448, 42098, 46508, 51491, 58588, 59752, 65534, 66154, 84196, 93016, 102529, 102982, 117176, 131068, 132308, 161117, 168392, 205058, 205964, 231539, 262136, 264616, 322234, 360437, 410116, 411928, 454057, 463078, 644468, 720874, 820232, 908114, 926156, 1127819, 1288936, 1441748, 1816228, 1852312, 2255638, 2883496, 3178399, 3632456, 4511276, 4994627, 6356798, 9022552, 9989254, 12713596, 19978508, 25427192, 34962389, 39957016, 69924778, 139849556, 279699112]

約数ペア:

[(1, 279699112), (2, 139849556), (4, 69924778), (7, 39957016), (8, 34962389), (11, 25427192), (14, 19978508), (22, 12713596), (28, 9989254), (31, 9022552), (44, 6356798), (56, 4994627), (62, 4511276), (77, 3632456), (88, 3178399), (97, 2883496), (124, 2255638), (151, 1852312), (154, 1816228), (194, 1441748), (217, 1288936), (248, 1127819), (302, 926156), (308, 908114), (341, 820232), (388, 720874), (434, 644468), (604, 463078), (616, 454057), (679, 411928), (682, 410116), (776, 360437), (868, 322234), (1057, 264616), (1067, 262136), (1208, 231539), (1358, 205964), (1364, 205058), (1661, 168392), (1736, 161117), (2114, 132308), (2134, 131068), (2387, 117176), (2716, 102982), (2728, 102529), (3007, 93016), (3322, 84196), (4228, 66154), (4268, 65534), (4681, 59752), (4774, 58588), (5432, 51491), (6014, 46508), (6644, 42098), (7469, 37448), (8456, 33077), (8536, 32767), (9362, 29876), (9548, 29294), (11627, 24056), (12028, 23254), (13288, 21049), (14647, 19096), (14938, 18724)]