401894080

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 252

約数和(自身を含む): 1191481488

約数和(自身を除く): 789587408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 71, 76, 80, 95, 98, 112, 133, 140, 142, 152, 160, 190, 196, 224, 245, 266, 280, 284, 304, 320, 355, 361, 380, 392, 448, 490, 497, 532, 560, 568, 608, 665, 710, 722, 760, 784, 931, 980, 994, 1064, 1120, 1136, 1216, 1330, 1349, 1420, 1444, 1520, 1568, 1805, 1862, 1960, 1988, 2128, 2240, 2272, 2485, 2527, 2660, 2698, 2840, 2888, 3040, 3136, 3479, 3610, 3724, 3920, 3976, 4256, 4544, 4655, 4970, 5054, 5320, 5396, 5680, 5776, 6080, 6745, 6958, 7220, 7448, 7840, 7952, 8512, 9310, 9443, 9940, 10108, 10640, 10792, 11360, 11552, 12635, 13490, 13916, 14440, 14896, 15680, 15904, 17395, 17689, 18620, 18886, 19880, 20216, 21280, 21584, 22720, 23104, 25270, 25631, 26980, 27832, 28880, 29792, 31808, 34790, 35378, 37240, 37772, 39760, 40432, 42560, 43168, 47215, 50540, 51262, 53960, 55664, 57760, 59584, 66101, 69580, 70756, 74480, 75544, 79520, 80864, 86336, 88445, 94430, 101080, 102524, 107920, 111328, 115520, 128155, 132202, 139160, 141512, 148960, 151088, 159040, 161728, 176890, 179417, 188860, 202160, 205048, 215840, 222656, 256310, 264404, 278320, 283024, 297920, 302176, 330505, 353780, 358834, 377720, 404320, 410096, 431680, 512620, 528808, 556640, 566048, 604352, 661010, 707560, 717668, 755440, 808640, 820192, 897085, 1025240, 1057616, 1113280, 1132096, 1255919, 1322020, 1415120, 1435336, 1510880, 1640384, 1794170, 2050480, 2115232, 2511838, 2644040, 2830240, 2870672, 3021760, 3588340, 4100960, 4230464, 5023676, 5288080, 5660480, 5741344, 6279595, 7176680, 8201920, 10047352, 10576160, 11482688, 12559190, 14353360, 20094704, 21152320, 25118380, 28706720, 40189408, 50236760, 57413440, 80378816, 100473520, 200947040, 401894080]

約数ペア:

[(1, 401894080), (2, 200947040), (4, 100473520), (5, 80378816), (7, 57413440), (8, 50236760), (10, 40189408), (14, 28706720), (16, 25118380), (19, 21152320), (20, 20094704), (28, 14353360), (32, 12559190), (35, 11482688), (38, 10576160), (40, 10047352), (49, 8201920), (56, 7176680), (64, 6279595), (70, 5741344), (71, 5660480), (76, 5288080), (80, 5023676), (95, 4230464), (98, 4100960), (112, 3588340), (133, 3021760), (140, 2870672), (142, 2830240), (152, 2644040), (160, 2511838), (190, 2115232), (196, 2050480), (224, 1794170), (245, 1640384), (266, 1510880), (280, 1435336), (284, 1415120), (304, 1322020), (320, 1255919), (355, 1132096), (361, 1113280), (380, 1057616), (392, 1025240), (448, 897085), (490, 820192), (497, 808640), (532, 755440), (560, 717668), (568, 707560), (608, 661010), (665, 604352), (710, 566048), (722, 556640), (760, 528808), (784, 512620), (931, 431680), (980, 410096), (994, 404320), (1064, 377720), (1120, 358834), (1136, 353780), (1216, 330505), (1330, 302176), (1349, 297920), (1420, 283024), (1444, 278320), (1520, 264404), (1568, 256310), (1805, 222656), (1862, 215840), (1960, 205048), (1988, 202160), (2128, 188860), (2240, 179417), (2272, 176890), (2485, 161728), (2527, 159040), (2660, 151088), (2698, 148960), (2840, 141512), (2888, 139160), (3040, 132202), (3136, 128155), (3479, 115520), (3610, 111328), (3724, 107920), (3920, 102524), (3976, 101080), (4256, 94430), (4544, 88445), (4655, 86336), (4970, 80864), (5054, 79520), (5320, 75544), (5396, 74480), (5680, 70756), (5776, 69580), (6080, 66101), (6745, 59584), (6958, 57760), (7220, 55664), (7448, 53960), (7840, 51262), (7952, 50540), (8512, 47215), (9310, 43168), (9443, 42560), (9940, 40432), (10108, 39760), (10640, 37772), (10792, 37240), (11360, 35378), (11552, 34790), (12635, 31808), (13490, 29792), (13916, 28880), (14440, 27832), (14896, 26980), (15680, 25631), (15904, 25270), (17395, 23104), (17689, 22720), (18620, 21584), (18886, 21280), (19880, 20216)]