204728216

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 504299520

約数和(自身を除く): 299571304

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 71, 77, 88, 124, 142, 151, 154, 217, 248, 284, 302, 308, 341, 434, 497, 568, 604, 616, 682, 781, 868, 994, 1057, 1208, 1364, 1562, 1661, 1736, 1988, 2114, 2201, 2387, 2728, 3124, 3322, 3976, 4228, 4402, 4681, 4774, 5467, 6248, 6644, 8456, 8804, 9362, 9548, 10721, 10934, 11627, 13288, 15407, 17608, 18724, 19096, 21442, 21868, 23254, 24211, 30814, 32767, 37448, 42884, 43736, 46508, 48422, 51491, 61628, 65534, 75047, 85768, 93016, 96844, 102982, 117931, 123256, 131068, 150094, 169477, 193688, 205964, 235862, 262136, 300188, 332351, 338954, 360437, 411928, 471724, 600376, 664702, 677908, 720874, 825517, 943448, 1329404, 1355816, 1441748, 1651034, 2326457, 2658808, 2883496, 3302068, 3655861, 4652914, 6604136, 7311722, 9305828, 14623444, 18611656, 25591027, 29246888, 51182054, 102364108, 204728216]

約数ペア:

[(1, 204728216), (2, 102364108), (4, 51182054), (7, 29246888), (8, 25591027), (11, 18611656), (14, 14623444), (22, 9305828), (28, 7311722), (31, 6604136), (44, 4652914), (56, 3655861), (62, 3302068), (71, 2883496), (77, 2658808), (88, 2326457), (124, 1651034), (142, 1441748), (151, 1355816), (154, 1329404), (217, 943448), (248, 825517), (284, 720874), (302, 677908), (308, 664702), (341, 600376), (434, 471724), (497, 411928), (568, 360437), (604, 338954), (616, 332351), (682, 300188), (781, 262136), (868, 235862), (994, 205964), (1057, 193688), (1208, 169477), (1364, 150094), (1562, 131068), (1661, 123256), (1736, 117931), (1988, 102982), (2114, 96844), (2201, 93016), (2387, 85768), (2728, 75047), (3124, 65534), (3322, 61628), (3976, 51491), (4228, 48422), (4402, 46508), (4681, 43736), (4774, 42884), (5467, 37448), (6248, 32767), (6644, 30814), (8456, 24211), (8804, 23254), (9362, 21868), (9548, 21442), (10721, 19096), (10934, 18724), (11627, 17608), (13288, 15407)]