205984656

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:445

約数の個数: 120

約数和(自身を含む): 597149280

約数和(自身を除く): 391164624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 139, 144, 164, 246, 251, 278, 328, 369, 417, 492, 502, 556, 656, 738, 753, 834, 984, 1004, 1112, 1251, 1476, 1506, 1668, 1968, 2008, 2224, 2259, 2502, 2952, 3012, 3336, 4016, 4518, 5004, 5699, 5904, 6024, 6672, 9036, 10008, 10291, 11398, 12048, 17097, 18072, 20016, 20582, 22796, 30873, 34194, 34889, 36144, 41164, 45592, 51291, 61746, 68388, 69778, 82328, 91184, 92619, 102582, 104667, 123492, 136776, 139556, 164656, 185238, 205164, 209334, 246984, 273552, 279112, 314001, 370476, 410328, 418668, 493968, 558224, 628002, 740952, 820656, 837336, 1256004, 1430449, 1481904, 1674672, 2512008, 2860898, 4291347, 5024016, 5721796, 8582694, 11443592, 12874041, 17165388, 22887184, 25748082, 34330776, 51496164, 68661552, 102992328, 205984656]

約数ペア:

[(1, 205984656), (2, 102992328), (3, 68661552), (4, 51496164), (6, 34330776), (8, 25748082), (9, 22887184), (12, 17165388), (16, 12874041), (18, 11443592), (24, 8582694), (36, 5721796), (41, 5024016), (48, 4291347), (72, 2860898), (82, 2512008), (123, 1674672), (139, 1481904), (144, 1430449), (164, 1256004), (246, 837336), (251, 820656), (278, 740952), (328, 628002), (369, 558224), (417, 493968), (492, 418668), (502, 410328), (556, 370476), (656, 314001), (738, 279112), (753, 273552), (834, 246984), (984, 209334), (1004, 205164), (1112, 185238), (1251, 164656), (1476, 139556), (1506, 136776), (1668, 123492), (1968, 104667), (2008, 102582), (2224, 92619), (2259, 91184), (2502, 82328), (2952, 69778), (3012, 68388), (3336, 61746), (4016, 51291), (4518, 45592), (5004, 41164), (5699, 36144), (5904, 34889), (6024, 34194), (6672, 30873), (9036, 22796), (10008, 20582), (10291, 20016), (11398, 18072), (12048, 17097)]