218974008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:637

約数の個数: 128

約数和(自身を含む): 640120320

約数和(自身を除く): 421146312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 97, 102, 132, 136, 187, 194, 204, 264, 291, 374, 388, 408, 503, 561, 582, 748, 776, 1006, 1067, 1122, 1164, 1496, 1509, 1649, 2012, 2134, 2244, 2328, 3018, 3201, 3298, 4024, 4268, 4488, 4947, 5533, 6036, 6402, 6596, 8536, 8551, 9894, 11066, 12072, 12804, 13192, 16599, 17102, 18139, 19788, 22132, 25608, 25653, 33198, 34204, 36278, 39576, 44264, 48791, 51306, 54417, 66396, 68408, 72556, 94061, 97582, 102612, 108834, 132792, 145112, 146373, 188122, 195164, 205224, 217668, 282183, 292746, 376244, 390328, 435336, 536701, 564366, 585492, 752488, 829447, 1073402, 1128732, 1170984, 1610103, 1658894, 2146804, 2257464, 2488341, 3220206, 3317788, 4293608, 4976682, 6440412, 6635576, 9123917, 9953364, 12880824, 18247834, 19906728, 27371751, 36495668, 54743502, 72991336, 109487004, 218974008]

約数ペア:

[(1, 218974008), (2, 109487004), (3, 72991336), (4, 54743502), (6, 36495668), (8, 27371751), (11, 19906728), (12, 18247834), (17, 12880824), (22, 9953364), (24, 9123917), (33, 6635576), (34, 6440412), (44, 4976682), (51, 4293608), (66, 3317788), (68, 3220206), (88, 2488341), (97, 2257464), (102, 2146804), (132, 1658894), (136, 1610103), (187, 1170984), (194, 1128732), (204, 1073402), (264, 829447), (291, 752488), (374, 585492), (388, 564366), (408, 536701), (503, 435336), (561, 390328), (582, 376244), (748, 292746), (776, 282183), (1006, 217668), (1067, 205224), (1122, 195164), (1164, 188122), (1496, 146373), (1509, 145112), (1649, 132792), (2012, 108834), (2134, 102612), (2244, 97582), (2328, 94061), (3018, 72556), (3201, 68408), (3298, 66396), (4024, 54417), (4268, 51306), (4488, 48791), (4947, 44264), (5533, 39576), (6036, 36278), (6402, 34204), (6596, 33198), (8536, 25653), (8551, 25608), (9894, 22132), (11066, 19788), (12072, 18139), (12804, 17102), (13192, 16599)]