254248488

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{73}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 764241660

約数和(自身を除く): 509993172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 61, 72, 73, 78, 104, 117, 122, 146, 156, 183, 219, 234, 244, 292, 312, 366, 438, 468, 488, 549, 584, 657, 732, 793, 876, 936, 949, 1098, 1314, 1464, 1586, 1752, 1898, 2196, 2379, 2628, 2847, 3172, 3721, 3796, 4392, 4453, 4758, 5256, 5694, 6344, 7137, 7442, 7592, 8541, 8906, 9516, 11163, 11388, 13359, 14274, 14884, 17082, 17812, 19032, 22326, 22776, 26718, 28548, 29768, 33489, 34164, 35624, 40077, 44652, 48373, 53436, 57096, 57889, 66978, 68328, 80154, 89304, 96746, 106872, 115778, 133956, 145119, 160308, 173667, 193492, 231556, 267912, 271633, 290238, 320616, 347334, 386984, 435357, 463112, 521001, 543266, 580476, 694668, 814899, 870714, 1042002, 1086532, 1160952, 1389336, 1629798, 1741428, 2084004, 2173064, 2444697, 3259596, 3482856, 3531229, 4168008, 4889394, 6519192, 7062458, 9778788, 10593687, 14124916, 19557576, 21187374, 28249832, 31781061, 42374748, 63562122, 84749496, 127124244, 254248488]

約数ペア:

[(1, 254248488), (2, 127124244), (3, 84749496), (4, 63562122), (6, 42374748), (8, 31781061), (9, 28249832), (12, 21187374), (13, 19557576), (18, 14124916), (24, 10593687), (26, 9778788), (36, 7062458), (39, 6519192), (52, 4889394), (61, 4168008), (72, 3531229), (73, 3482856), (78, 3259596), (104, 2444697), (117, 2173064), (122, 2084004), (146, 1741428), (156, 1629798), (183, 1389336), (219, 1160952), (234, 1086532), (244, 1042002), (292, 870714), (312, 814899), (366, 694668), (438, 580476), (468, 543266), (488, 521001), (549, 463112), (584, 435357), (657, 386984), (732, 347334), (793, 320616), (876, 290238), (936, 271633), (949, 267912), (1098, 231556), (1314, 193492), (1464, 173667), (1586, 160308), (1752, 145119), (1898, 133956), (2196, 115778), (2379, 106872), (2628, 96746), (2847, 89304), (3172, 80154), (3721, 68328), (3796, 66978), (4392, 57889), (4453, 57096), (4758, 53436), (5256, 48373), (5694, 44652), (6344, 40077), (7137, 35624), (7442, 34164), (7592, 33489), (8541, 29768), (8906, 28548), (9516, 26718), (11163, 22776), (11388, 22326), (13359, 19032), (14274, 17812), (14884, 17082)]