388534720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 168

約数和(自身を含む): 1094536800

約数和(自身を除く): 706002080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 112, 140, 142, 160, 196, 224, 245, 280, 284, 320, 349, 355, 392, 448, 490, 497, 560, 568, 698, 710, 784, 980, 994, 1120, 1136, 1396, 1420, 1568, 1745, 1960, 1988, 2240, 2272, 2443, 2485, 2792, 2840, 3136, 3479, 3490, 3920, 3976, 4544, 4886, 4970, 5584, 5680, 6958, 6980, 7840, 7952, 9772, 9940, 11168, 11360, 12215, 13916, 13960, 15680, 15904, 17101, 17395, 19544, 19880, 22336, 22720, 24430, 24779, 27832, 27920, 31808, 34202, 34790, 39088, 39760, 48860, 49558, 55664, 55840, 68404, 69580, 78176, 79520, 85505, 97720, 99116, 111328, 111680, 123895, 136808, 139160, 156352, 159040, 171010, 173453, 195440, 198232, 222656, 247790, 273616, 278320, 342020, 346906, 390880, 396464, 495580, 547232, 556640, 684040, 693812, 781760, 792928, 867265, 991160, 1094464, 1113280, 1214171, 1368080, 1387624, 1585856, 1734530, 1982320, 2428342, 2736160, 2775248, 3469060, 3964640, 4856684, 5472320, 5550496, 6070855, 6938120, 7929280, 9713368, 11100992, 12141710, 13876240, 19426736, 24283420, 27752480, 38853472, 48566840, 55504960, 77706944, 97133680, 194267360, 388534720]

約数ペア:

[(1, 388534720), (2, 194267360), (4, 97133680), (5, 77706944), (7, 55504960), (8, 48566840), (10, 38853472), (14, 27752480), (16, 24283420), (20, 19426736), (28, 13876240), (32, 12141710), (35, 11100992), (40, 9713368), (49, 7929280), (56, 6938120), (64, 6070855), (70, 5550496), (71, 5472320), (80, 4856684), (98, 3964640), (112, 3469060), (140, 2775248), (142, 2736160), (160, 2428342), (196, 1982320), (224, 1734530), (245, 1585856), (280, 1387624), (284, 1368080), (320, 1214171), (349, 1113280), (355, 1094464), (392, 991160), (448, 867265), (490, 792928), (497, 781760), (560, 693812), (568, 684040), (698, 556640), (710, 547232), (784, 495580), (980, 396464), (994, 390880), (1120, 346906), (1136, 342020), (1396, 278320), (1420, 273616), (1568, 247790), (1745, 222656), (1960, 198232), (1988, 195440), (2240, 173453), (2272, 171010), (2443, 159040), (2485, 156352), (2792, 139160), (2840, 136808), (3136, 123895), (3479, 111680), (3490, 111328), (3920, 99116), (3976, 97720), (4544, 85505), (4886, 79520), (4970, 78176), (5584, 69580), (5680, 68404), (6958, 55840), (6980, 55664), (7840, 49558), (7952, 48860), (9772, 39760), (9940, 39088), (11168, 34790), (11360, 34202), (12215, 31808), (13916, 27920), (13960, 27832), (15680, 24779), (15904, 24430), (17101, 22720), (17395, 22336), (19544, 19880)]