1990996224

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:501

約数の個数: 216

約数和(自身を含む): 6218731008

約数和(自身を除く): 4227734784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 191, 192, 196, 224, 256, 277, 294, 336, 382, 384, 392, 448, 554, 573, 588, 672, 764, 768, 784, 831, 896, 1108, 1146, 1176, 1337, 1344, 1528, 1568, 1662, 1792, 1939, 2216, 2292, 2352, 2674, 2688, 3056, 3136, 3324, 3878, 4011, 4432, 4584, 4704, 5348, 5376, 5817, 6112, 6272, 6648, 7756, 8022, 8864, 9168, 9359, 9408, 10696, 11634, 12224, 12544, 13296, 13573, 15512, 16044, 17728, 18336, 18718, 18816, 21392, 23268, 24448, 26592, 27146, 28077, 31024, 32088, 35456, 36672, 37436, 37632, 40719, 42784, 46536, 48896, 52907, 53184, 54292, 56154, 62048, 64176, 70912, 73344, 74872, 81438, 85568, 93072, 105814, 106368, 108584, 112308, 124096, 128352, 146688, 149744, 158721, 162876, 171136, 186144, 211628, 212736, 217168, 224616, 248192, 256704, 299488, 317442, 325752, 342272, 370349, 372288, 423256, 434336, 449232, 496384, 513408, 598976, 634884, 651504, 740698, 744576, 846512, 868672, 898464, 1026816, 1111047, 1197952, 1269768, 1303008, 1481396, 1489152, 1693024, 1737344, 1796928, 2222094, 2395904, 2539536, 2592443, 2606016, 2962792, 3386048, 3474688, 3593856, 4444188, 5079072, 5184886, 5212032, 5925584, 6772096, 7187712, 7777329, 8888376, 10158144, 10369772, 10424064, 11851168, 13544192, 15554658, 17776752, 20316288, 20739544, 23702336, 31109316, 35553504, 40632576, 41479088, 47404672, 62218632, 71107008, 82958176, 94809344, 124437264, 142214016, 165916352, 248874528, 284428032, 331832704, 497749056, 663665408, 995498112, 1990996224]

約数ペア:

[(1, 1990996224), (2, 995498112), (3, 663665408), (4, 497749056), (6, 331832704), (7, 284428032), (8, 248874528), (12, 165916352), (14, 142214016), (16, 124437264), (21, 94809344), (24, 82958176), (28, 71107008), (32, 62218632), (42, 47404672), (48, 41479088), (49, 40632576), (56, 35553504), (64, 31109316), (84, 23702336), (96, 20739544), (98, 20316288), (112, 17776752), (128, 15554658), (147, 13544192), (168, 11851168), (191, 10424064), (192, 10369772), (196, 10158144), (224, 8888376), (256, 7777329), (277, 7187712), (294, 6772096), (336, 5925584), (382, 5212032), (384, 5184886), (392, 5079072), (448, 4444188), (554, 3593856), (573, 3474688), (588, 3386048), (672, 2962792), (764, 2606016), (768, 2592443), (784, 2539536), (831, 2395904), (896, 2222094), (1108, 1796928), (1146, 1737344), (1176, 1693024), (1337, 1489152), (1344, 1481396), (1528, 1303008), (1568, 1269768), (1662, 1197952), (1792, 1111047), (1939, 1026816), (2216, 898464), (2292, 868672), (2352, 846512), (2674, 744576), (2688, 740698), (3056, 651504), (3136, 634884), (3324, 598976), (3878, 513408), (4011, 496384), (4432, 449232), (4584, 434336), (4704, 423256), (5348, 372288), (5376, 370349), (5817, 342272), (6112, 325752), (6272, 317442), (6648, 299488), (7756, 256704), (8022, 248192), (8864, 224616), (9168, 217168), (9359, 212736), (9408, 211628), (10696, 186144), (11634, 171136), (12224, 162876), (12544, 158721), (13296, 149744), (13573, 146688), (15512, 128352), (16044, 124096), (17728, 112308), (18336, 108584), (18718, 106368), (18816, 105814), (21392, 93072), (23268, 85568), (24448, 81438), (26592, 74872), (27146, 73344), (28077, 70912), (31024, 64176), (32088, 62048), (35456, 56154), (36672, 54292), (37436, 53184), (37632, 52907), (40719, 48896), (42784, 46536)]