280147014

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 740952576

約数和(自身を除く): 460805562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 61, 63, 82, 98, 122, 123, 126, 127, 147, 183, 246, 254, 287, 294, 366, 369, 381, 427, 441, 549, 574, 738, 762, 854, 861, 882, 889, 1098, 1143, 1281, 1722, 1778, 2009, 2286, 2501, 2562, 2583, 2667, 2989, 3843, 4018, 5002, 5166, 5207, 5334, 5978, 6027, 6223, 7503, 7686, 7747, 8001, 8967, 10414, 12054, 12446, 15006, 15494, 15621, 16002, 17507, 17934, 18081, 18669, 22509, 23241, 26901, 31242, 35014, 36162, 36449, 37338, 45018, 46482, 46863, 52521, 53802, 54229, 56007, 69723, 72898, 93726, 105042, 108458, 109347, 112014, 122549, 139446, 157563, 162687, 218694, 245098, 255143, 315126, 317627, 325374, 328041, 367647, 379603, 488061, 510286, 635254, 656082, 735294, 759206, 765429, 952881, 976122, 1102941, 1138809, 1530858, 1905762, 2205882, 2223389, 2277618, 2296287, 2858643, 3416427, 4446778, 4592574, 5717286, 6670167, 6832854, 13340334, 15563723, 20010501, 31127446, 40021002, 46691169, 93382338, 140073507, 280147014]

約数ペア:

[(1, 280147014), (2, 140073507), (3, 93382338), (6, 46691169), (7, 40021002), (9, 31127446), (14, 20010501), (18, 15563723), (21, 13340334), (41, 6832854), (42, 6670167), (49, 5717286), (61, 4592574), (63, 4446778), (82, 3416427), (98, 2858643), (122, 2296287), (123, 2277618), (126, 2223389), (127, 2205882), (147, 1905762), (183, 1530858), (246, 1138809), (254, 1102941), (287, 976122), (294, 952881), (366, 765429), (369, 759206), (381, 735294), (427, 656082), (441, 635254), (549, 510286), (574, 488061), (738, 379603), (762, 367647), (854, 328041), (861, 325374), (882, 317627), (889, 315126), (1098, 255143), (1143, 245098), (1281, 218694), (1722, 162687), (1778, 157563), (2009, 139446), (2286, 122549), (2501, 112014), (2562, 109347), (2583, 108458), (2667, 105042), (2989, 93726), (3843, 72898), (4018, 69723), (5002, 56007), (5166, 54229), (5207, 53802), (5334, 52521), (5978, 46863), (6027, 46482), (6223, 45018), (7503, 37338), (7686, 36449), (7747, 36162), (8001, 35014), (8967, 31242), (10414, 26901), (12054, 23241), (12446, 22509), (15006, 18669), (15494, 18081), (15621, 17934), (16002, 17507)]