152978000

素因数分解:

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

素因数の和:267

約数の個数: 160

約数和(自身を含む): 433305600

約数和(自身を除く): 280327600

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, 686, 700, 784, 875, 892, 980, 1000, 1115, 1225, 1372, 1400, 1561, 1715, 1750, 1784, 1960, 2000, 2230, 2450, 2744, 2800, 3122, 3430, 3500, 3568, 3920, 4460, 4900, 5488, 5575, 6125, 6244, 6860, 7000, 7805, 8575, 8920, 9800, 10927, 11150, 12250, 12488, 13720, 14000, 15610, 17150, 17840, 19600, 21854, 22300, 24500, 24976, 27440, 27875, 31220, 34300, 39025, 42875, 43708, 44600, 49000, 54635, 55750, 62440, 68600, 76489, 78050, 85750, 87416, 89200, 98000, 109270, 111500, 124880, 137200, 152978, 156100, 171500, 174832, 195125, 218540, 223000, 273175, 305956, 312200, 343000, 382445, 390250, 437080, 446000, 546350, 611912, 624400, 686000, 764890, 780500, 874160, 1092700, 1223824, 1365875, 1529780, 1561000, 1912225, 2185400, 2731750, 3059560, 3122000, 3824450, 4370800, 5463500, 6119120, 7648900, 9561125, 10927000, 15297800, 19122250, 21854000, 30595600, 38244500, 76489000, 152978000]

約数ペア:

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