397361440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 1149603840

約数和(自身を除く): 752242400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 71, 76, 80, 95, 112, 133, 140, 142, 152, 160, 190, 224, 263, 266, 280, 284, 304, 355, 380, 497, 526, 532, 560, 568, 608, 665, 710, 760, 994, 1052, 1064, 1120, 1136, 1315, 1330, 1349, 1420, 1520, 1841, 1988, 2104, 2128, 2272, 2485, 2630, 2660, 2698, 2840, 3040, 3682, 3976, 4208, 4256, 4970, 4997, 5260, 5320, 5396, 5680, 6745, 7364, 7952, 8416, 9205, 9443, 9940, 9994, 10520, 10640, 10792, 11360, 13490, 14728, 15904, 18410, 18673, 18886, 19880, 19988, 21040, 21280, 21584, 24985, 26980, 29456, 34979, 36820, 37346, 37772, 39760, 39976, 42080, 43168, 47215, 49970, 53960, 58912, 69958, 73640, 74692, 75544, 79520, 79952, 93365, 94430, 99940, 107920, 130711, 139916, 147280, 149384, 151088, 159904, 174895, 186730, 188860, 199880, 215840, 261422, 279832, 294560, 298768, 302176, 349790, 354787, 373460, 377720, 399760, 522844, 559664, 597536, 653555, 699580, 709574, 746920, 755440, 799520, 1045688, 1119328, 1307110, 1399160, 1419148, 1493840, 1510880, 1773935, 2091376, 2483509, 2614220, 2798320, 2838296, 2987680, 3547870, 4182752, 4967018, 5228440, 5596640, 5676592, 7095740, 9934036, 10456880, 11353184, 12417545, 14191480, 19868072, 20913760, 24835090, 28382960, 39736144, 49670180, 56765920, 79472288, 99340360, 198680720, 397361440]

約数ペア:

[(1, 397361440), (2, 198680720), (4, 99340360), (5, 79472288), (7, 56765920), (8, 49670180), (10, 39736144), (14, 28382960), (16, 24835090), (19, 20913760), (20, 19868072), (28, 14191480), (32, 12417545), (35, 11353184), (38, 10456880), (40, 9934036), (56, 7095740), (70, 5676592), (71, 5596640), (76, 5228440), (80, 4967018), (95, 4182752), (112, 3547870), (133, 2987680), (140, 2838296), (142, 2798320), (152, 2614220), (160, 2483509), (190, 2091376), (224, 1773935), (263, 1510880), (266, 1493840), (280, 1419148), (284, 1399160), (304, 1307110), (355, 1119328), (380, 1045688), (497, 799520), (526, 755440), (532, 746920), (560, 709574), (568, 699580), (608, 653555), (665, 597536), (710, 559664), (760, 522844), (994, 399760), (1052, 377720), (1064, 373460), (1120, 354787), (1136, 349790), (1315, 302176), (1330, 298768), (1349, 294560), (1420, 279832), (1520, 261422), (1841, 215840), (1988, 199880), (2104, 188860), (2128, 186730), (2272, 174895), (2485, 159904), (2630, 151088), (2660, 149384), (2698, 147280), (2840, 139916), (3040, 130711), (3682, 107920), (3976, 99940), (4208, 94430), (4256, 93365), (4970, 79952), (4997, 79520), (5260, 75544), (5320, 74692), (5396, 73640), (5680, 69958), (6745, 58912), (7364, 53960), (7952, 49970), (8416, 47215), (9205, 43168), (9443, 42080), (9940, 39976), (9994, 39760), (10520, 37772), (10640, 37346), (10792, 36820), (11360, 34979), (13490, 29456), (14728, 26980), (15904, 24985), (18410, 21584), (18673, 21280), (18886, 21040), (19880, 19988)]