209960784

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1597}}^1$

素因数の和:1705

約数の個数: 120

約数和(自身を含む): 649145952

約数和(自身を除く): 439185168

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 83, 88, 99, 132, 144, 166, 176, 198, 249, 264, 332, 396, 498, 528, 664, 747, 792, 913, 996, 1328, 1494, 1584, 1597, 1826, 1992, 2739, 2988, 3194, 3652, 3984, 4791, 5478, 5976, 6388, 7304, 8217, 9582, 10956, 11952, 12776, 14373, 14608, 16434, 17567, 19164, 21912, 25552, 28746, 32868, 35134, 38328, 43824, 52701, 57492, 65736, 70268, 76656, 105402, 114984, 131472, 132551, 140536, 158103, 210804, 229968, 265102, 281072, 316206, 397653, 421608, 530204, 632412, 795306, 843216, 1060408, 1192959, 1264824, 1458061, 1590612, 2120816, 2385918, 2529648, 2916122, 3181224, 4374183, 4771836, 5832244, 6362448, 8748366, 9543672, 11664488, 13122549, 17496732, 19087344, 23328976, 26245098, 34993464, 52490196, 69986928, 104980392, 209960784]

約数ペア:

[(1, 209960784), (2, 104980392), (3, 69986928), (4, 52490196), (6, 34993464), (8, 26245098), (9, 23328976), (11, 19087344), (12, 17496732), (16, 13122549), (18, 11664488), (22, 9543672), (24, 8748366), (33, 6362448), (36, 5832244), (44, 4771836), (48, 4374183), (66, 3181224), (72, 2916122), (83, 2529648), (88, 2385918), (99, 2120816), (132, 1590612), (144, 1458061), (166, 1264824), (176, 1192959), (198, 1060408), (249, 843216), (264, 795306), (332, 632412), (396, 530204), (498, 421608), (528, 397653), (664, 316206), (747, 281072), (792, 265102), (913, 229968), (996, 210804), (1328, 158103), (1494, 140536), (1584, 132551), (1597, 131472), (1826, 114984), (1992, 105402), (2739, 76656), (2988, 70268), (3194, 65736), (3652, 57492), (3984, 52701), (4791, 43824), (5478, 38328), (5976, 35134), (6388, 32868), (7304, 28746), (8217, 25552), (9582, 21912), (10956, 19164), (11952, 17567), (12776, 16434), (14373, 14608)]