31007913340

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1\times {\mathrm{17747}}^1$

素因数の和:18394

約数の個数: 48

約数和(自身を含む): 65596608000

約数和(自身を除く): 34588694660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 439, 796, 878, 995, 1756, 1990, 2195, 3980, 4390, 8780, 17747, 35494, 70988, 87361, 88735, 174722, 177470, 349444, 354940, 436805, 873610, 1747220, 3531653, 7063306, 7790933, 14126612, 15581866, 17658265, 31163732, 35316530, 38954665, 70633060, 77909330, 155818660, 1550395667, 3100791334, 6201582668, 7751978335, 15503956670, 31007913340]

約数ペア:

[(1, 31007913340), (2, 15503956670), (4, 7751978335), (5, 6201582668), (10, 3100791334), (20, 1550395667), (199, 155818660), (398, 77909330), (439, 70633060), (796, 38954665), (878, 35316530), (995, 31163732), (1756, 17658265), (1990, 15581866), (2195, 14126612), (3980, 7790933), (4390, 7063306), (8780, 3531653), (17747, 1747220), (35494, 873610), (70988, 436805), (87361, 354940), (88735, 349444), (174722, 177470)]