246591520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:543

約数の個数: 144

約数和(自身を含む): 688782528

約数和(自身を除く): 442191008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 160, 196, 224, 245, 280, 284, 355, 392, 443, 490, 497, 560, 568, 710, 784, 886, 980, 994, 1120, 1136, 1420, 1568, 1772, 1960, 1988, 2215, 2272, 2485, 2840, 3101, 3479, 3544, 3920, 3976, 4430, 4970, 5680, 6202, 6958, 7088, 7840, 7952, 8860, 9940, 11360, 12404, 13916, 14176, 15505, 15904, 17395, 17720, 19880, 21707, 24808, 27832, 31010, 31453, 34790, 35440, 39760, 43414, 49616, 55664, 62020, 62906, 69580, 70880, 79520, 86828, 99232, 108535, 111328, 124040, 125812, 139160, 157265, 173656, 217070, 220171, 248080, 251624, 278320, 314530, 347312, 434140, 440342, 496160, 503248, 556640, 629060, 694624, 868280, 880684, 1006496, 1100855, 1258120, 1541197, 1736560, 1761368, 2201710, 2516240, 3082394, 3473120, 3522736, 4403420, 5032480, 6164788, 7045472, 7705985, 8806840, 12329576, 15411970, 17613680, 24659152, 30823940, 35227360, 49318304, 61647880, 123295760, 246591520]

約数ペア:

[(1, 246591520), (2, 123295760), (4, 61647880), (5, 49318304), (7, 35227360), (8, 30823940), (10, 24659152), (14, 17613680), (16, 15411970), (20, 12329576), (28, 8806840), (32, 7705985), (35, 7045472), (40, 6164788), (49, 5032480), (56, 4403420), (70, 3522736), (71, 3473120), (80, 3082394), (98, 2516240), (112, 2201710), (140, 1761368), (142, 1736560), (160, 1541197), (196, 1258120), (224, 1100855), (245, 1006496), (280, 880684), (284, 868280), (355, 694624), (392, 629060), (443, 556640), (490, 503248), (497, 496160), (560, 440342), (568, 434140), (710, 347312), (784, 314530), (886, 278320), (980, 251624), (994, 248080), (1120, 220171), (1136, 217070), (1420, 173656), (1568, 157265), (1772, 139160), (1960, 125812), (1988, 124040), (2215, 111328), (2272, 108535), (2485, 99232), (2840, 86828), (3101, 79520), (3479, 70880), (3544, 69580), (3920, 62906), (3976, 62020), (4430, 55664), (4970, 49616), (5680, 43414), (6202, 39760), (6958, 35440), (7088, 34790), (7840, 31453), (7952, 31010), (8860, 27832), (9940, 24808), (11360, 21707), (12404, 19880), (13916, 17720), (14176, 17395), (15505, 15904)]