209284880

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:326

約数の個数: 160

約数和(自身を含む): 589248000

約数和(自身を除く): 379963120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 263, 280, 290, 343, 392, 406, 464, 490, 526, 560, 580, 686, 784, 812, 980, 1015, 1052, 1160, 1315, 1372, 1421, 1624, 1715, 1841, 1960, 2030, 2104, 2320, 2630, 2744, 2842, 3248, 3430, 3682, 3920, 4060, 4208, 5260, 5488, 5684, 6860, 7105, 7364, 7627, 8120, 9205, 9947, 10520, 11368, 12887, 13720, 14210, 14728, 15254, 16240, 18410, 19894, 21040, 22736, 25774, 27440, 28420, 29456, 30508, 36820, 38135, 39788, 49735, 51548, 53389, 56840, 61016, 64435, 73640, 76270, 79576, 90209, 99470, 103096, 106778, 113680, 122032, 128870, 147280, 152540, 159152, 180418, 198940, 206192, 213556, 257740, 266945, 305080, 360836, 373723, 397880, 427112, 451045, 515480, 533890, 610160, 721672, 747446, 795760, 854224, 902090, 1030960, 1067780, 1443344, 1494892, 1804180, 1868615, 2135560, 2616061, 2989784, 3608360, 3737230, 4271120, 5232122, 5979568, 7216720, 7474460, 10464244, 13080305, 14948920, 20928488, 26160610, 29897840, 41856976, 52321220, 104642440, 209284880]

約数ペア:

[(1, 209284880), (2, 104642440), (4, 52321220), (5, 41856976), (7, 29897840), (8, 26160610), (10, 20928488), (14, 14948920), (16, 13080305), (20, 10464244), (28, 7474460), (29, 7216720), (35, 5979568), (40, 5232122), (49, 4271120), (56, 3737230), (58, 3608360), (70, 2989784), (80, 2616061), (98, 2135560), (112, 1868615), (116, 1804180), (140, 1494892), (145, 1443344), (196, 1067780), (203, 1030960), (232, 902090), (245, 854224), (263, 795760), (280, 747446), (290, 721672), (343, 610160), (392, 533890), (406, 515480), (464, 451045), (490, 427112), (526, 397880), (560, 373723), (580, 360836), (686, 305080), (784, 266945), (812, 257740), (980, 213556), (1015, 206192), (1052, 198940), (1160, 180418), (1315, 159152), (1372, 152540), (1421, 147280), (1624, 128870), (1715, 122032), (1841, 113680), (1960, 106778), (2030, 103096), (2104, 99470), (2320, 90209), (2630, 79576), (2744, 76270), (2842, 73640), (3248, 64435), (3430, 61016), (3682, 56840), (3920, 53389), (4060, 51548), (4208, 49735), (5260, 39788), (5488, 38135), (5684, 36820), (6860, 30508), (7105, 29456), (7364, 28420), (7627, 27440), (8120, 25774), (9205, 22736), (9947, 21040), (10520, 19894), (11368, 18410), (12887, 16240), (13720, 15254), (14210, 14728)]