2149244920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{21179}}^1$

素因数の和:21292

約数の個数: 64

約数和(自身を含む): 5032368000

約数和(自身を除く): 2883123080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 236, 295, 344, 430, 472, 590, 860, 1180, 1720, 2360, 2537, 5074, 10148, 12685, 20296, 21179, 25370, 42358, 50740, 84716, 101480, 105895, 169432, 211790, 423580, 847160, 910697, 1249561, 1821394, 2499122, 3642788, 4553485, 4998244, 6247805, 7285576, 9106970, 9996488, 12495610, 18213940, 24991220, 36427880, 49982440, 53731123, 107462246, 214924492, 268655615, 429848984, 537311230, 1074622460, 2149244920]

約数ペア:

[(1, 2149244920), (2, 1074622460), (4, 537311230), (5, 429848984), (8, 268655615), (10, 214924492), (20, 107462246), (40, 53731123), (43, 49982440), (59, 36427880), (86, 24991220), (118, 18213940), (172, 12495610), (215, 9996488), (236, 9106970), (295, 7285576), (344, 6247805), (430, 4998244), (472, 4553485), (590, 3642788), (860, 2499122), (1180, 1821394), (1720, 1249561), (2360, 910697), (2537, 847160), (5074, 423580), (10148, 211790), (12685, 169432), (20296, 105895), (21179, 101480), (25370, 84716), (42358, 50740)]