199728984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:977

約数の個数: 128

約数和(自身を含む): 620928000

約数和(自身を除く): 421199016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 109, 156, 168, 182, 218, 273, 312, 327, 364, 436, 546, 654, 728, 763, 839, 872, 1092, 1308, 1417, 1526, 1678, 2184, 2289, 2517, 2616, 2834, 3052, 3356, 4251, 4578, 5034, 5668, 5873, 6104, 6712, 8502, 9156, 9919, 10068, 10907, 11336, 11746, 17004, 17619, 18312, 19838, 20136, 21814, 23492, 29757, 32721, 34008, 35238, 39676, 43628, 46984, 59514, 65442, 70476, 76349, 79352, 87256, 91451, 119028, 130884, 140952, 152698, 182902, 229047, 238056, 261768, 274353, 305396, 365804, 458094, 548706, 610792, 640157, 731608, 916188, 1097412, 1188863, 1280314, 1832376, 1920471, 2194824, 2377726, 2560628, 3566589, 3840942, 4755452, 5121256, 7133178, 7681884, 8322041, 9510904, 14266356, 15363768, 16644082, 24966123, 28532712, 33288164, 49932246, 66576328, 99864492, 199728984]

約数ペア:

[(1, 199728984), (2, 99864492), (3, 66576328), (4, 49932246), (6, 33288164), (7, 28532712), (8, 24966123), (12, 16644082), (13, 15363768), (14, 14266356), (21, 9510904), (24, 8322041), (26, 7681884), (28, 7133178), (39, 5121256), (42, 4755452), (52, 3840942), (56, 3566589), (78, 2560628), (84, 2377726), (91, 2194824), (104, 1920471), (109, 1832376), (156, 1280314), (168, 1188863), (182, 1097412), (218, 916188), (273, 731608), (312, 640157), (327, 610792), (364, 548706), (436, 458094), (546, 365804), (654, 305396), (728, 274353), (763, 261768), (839, 238056), (872, 229047), (1092, 182902), (1308, 152698), (1417, 140952), (1526, 130884), (1678, 119028), (2184, 91451), (2289, 87256), (2517, 79352), (2616, 76349), (2834, 70476), (3052, 65442), (3356, 59514), (4251, 46984), (4578, 43628), (5034, 39676), (5668, 35238), (5873, 34008), (6104, 32721), (6712, 29757), (8502, 23492), (9156, 21814), (9919, 20136), (10068, 19838), (10907, 18312), (11336, 17619), (11746, 17004)]