178430384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 388903680

約数和(自身を除く): 210473296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 109, 131, 142, 176, 218, 262, 284, 436, 524, 568, 781, 872, 1048, 1136, 1199, 1441, 1562, 1744, 2096, 2398, 2882, 3124, 4796, 5764, 6248, 7739, 9301, 9592, 11528, 12496, 14279, 15478, 18602, 19184, 23056, 28558, 30956, 37204, 57116, 61912, 74408, 85129, 102311, 114232, 123824, 148816, 157069, 170258, 204622, 228464, 314138, 340516, 409244, 628276, 681032, 818488, 1013809, 1256552, 1362064, 1636976, 2027618, 2513104, 4055236, 8110472, 11151899, 16220944, 22303798, 44607596, 89215192, 178430384]

約数ペア:

[(1, 178430384), (2, 89215192), (4, 44607596), (8, 22303798), (11, 16220944), (16, 11151899), (22, 8110472), (44, 4055236), (71, 2513104), (88, 2027618), (109, 1636976), (131, 1362064), (142, 1256552), (176, 1013809), (218, 818488), (262, 681032), (284, 628276), (436, 409244), (524, 340516), (568, 314138), (781, 228464), (872, 204622), (1048, 170258), (1136, 157069), (1199, 148816), (1441, 123824), (1562, 114232), (1744, 102311), (2096, 85129), (2398, 74408), (2882, 61912), (3124, 57116), (4796, 37204), (5764, 30956), (6248, 28558), (7739, 23056), (9301, 19184), (9592, 18602), (11528, 15478), (12496, 14279)]