764890000

素因数分解:

$2^4\times 5^4\times 7^3\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 200

約数和(自身を含む): 2169305600

約数和(自身を除く): 1404415600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 223, 245, 250, 280, 343, 350, 392, 400, 446, 490, 500, 560, 625, 686, 700, 784, 875, 892, 980, 1000, 1115, 1225, 1250, 1372, 1400, 1561, 1715, 1750, 1784, 1960, 2000, 2230, 2450, 2500, 2744, 2800, 3122, 3430, 3500, 3568, 3920, 4375, 4460, 4900, 5000, 5488, 5575, 6125, 6244, 6860, 7000, 7805, 8575, 8750, 8920, 9800, 10000, 10927, 11150, 12250, 12488, 13720, 14000, 15610, 17150, 17500, 17840, 19600, 21854, 22300, 24500, 24976, 27440, 27875, 30625, 31220, 34300, 35000, 39025, 42875, 43708, 44600, 49000, 54635, 55750, 61250, 62440, 68600, 70000, 76489, 78050, 85750, 87416, 89200, 98000, 109270, 111500, 122500, 124880, 137200, 139375, 152978, 156100, 171500, 174832, 195125, 214375, 218540, 223000, 245000, 273175, 278750, 305956, 312200, 343000, 382445, 390250, 428750, 437080, 446000, 490000, 546350, 557500, 611912, 624400, 686000, 764890, 780500, 857500, 874160, 975625, 1092700, 1115000, 1223824, 1365875, 1529780, 1561000, 1715000, 1912225, 1951250, 2185400, 2230000, 2731750, 3059560, 3122000, 3430000, 3824450, 3902500, 4370800, 5463500, 6119120, 6829375, 7648900, 7805000, 9561125, 10927000, 13658750, 15297800, 15610000, 19122250, 21854000, 27317500, 30595600, 38244500, 47805625, 54635000, 76489000, 95611250, 109270000, 152978000, 191222500, 382445000, 764890000]

約数ペア:

[(1, 764890000), (2, 382445000), (4, 191222500), (5, 152978000), (7, 109270000), (8, 95611250), (10, 76489000), (14, 54635000), (16, 47805625), (20, 38244500), (25, 30595600), (28, 27317500), (35, 21854000), (40, 19122250), (49, 15610000), (50, 15297800), (56, 13658750), (70, 10927000), (80, 9561125), (98, 7805000), (100, 7648900), (112, 6829375), (125, 6119120), (140, 5463500), (175, 4370800), (196, 3902500), (200, 3824450), (223, 3430000), (245, 3122000), (250, 3059560), (280, 2731750), (343, 2230000), (350, 2185400), (392, 1951250), (400, 1912225), (446, 1715000), (490, 1561000), (500, 1529780), (560, 1365875), (625, 1223824), (686, 1115000), (700, 1092700), (784, 975625), (875, 874160), (892, 857500), (980, 780500), (1000, 764890), (1115, 686000), (1225, 624400), (1250, 611912), (1372, 557500), (1400, 546350), (1561, 490000), (1715, 446000), (1750, 437080), (1784, 428750), (1960, 390250), (2000, 382445), (2230, 343000), (2450, 312200), (2500, 305956), (2744, 278750), (2800, 273175), (3122, 245000), (3430, 223000), (3500, 218540), (3568, 214375), (3920, 195125), (4375, 174832), (4460, 171500), (4900, 156100), (5000, 152978), (5488, 139375), (5575, 137200), (6125, 124880), (6244, 122500), (6860, 111500), (7000, 109270), (7805, 98000), (8575, 89200), (8750, 87416), (8920, 85750), (9800, 78050), (10000, 76489), (10927, 70000), (11150, 68600), (12250, 62440), (12488, 61250), (13720, 55750), (14000, 54635), (15610, 49000), (17150, 44600), (17500, 43708), (17840, 42875), (19600, 39025), (21854, 35000), (22300, 34300), (24500, 31220), (24976, 30625), (27440, 27875)]