208348420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9479}}^1$

素因数の和:9652

約数の個数: 48

約数和(自身を含む): 503274240

約数和(自身を除く): 294925820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 9479, 10990, 18958, 21980, 37916, 47395, 66353, 94790, 132706, 189580, 265412, 331765, 663530, 1327060, 1488203, 2976406, 5952812, 7441015, 10417421, 14882030, 20834842, 29764060, 41669684, 52087105, 104174210, 208348420]

約数ペア:

[(1, 208348420), (2, 104174210), (4, 52087105), (5, 41669684), (7, 29764060), (10, 20834842), (14, 14882030), (20, 10417421), (28, 7441015), (35, 5952812), (70, 2976406), (140, 1488203), (157, 1327060), (314, 663530), (628, 331765), (785, 265412), (1099, 189580), (1570, 132706), (2198, 94790), (3140, 66353), (4396, 47395), (5495, 37916), (9479, 21980), (10990, 18958)]