490914095

素因数分解:

$5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{10069}}^1$

素因数の和:10287

約数の個数: 24

約数和(自身を含む): 688788000

約数和(自身を除く): 197873905

約数列:

[1, 5, 7, 35, 49, 199, 245, 995, 1393, 6965, 9751, 10069, 48755, 50345, 70483, 352415, 493381, 2003731, 2466905, 10018655, 14026117, 70130585, 98182819, 490914095]

約数ペア:

[(1, 490914095), (5, 98182819), (7, 70130585), (35, 14026117), (49, 10018655), (199, 2466905), (245, 2003731), (995, 493381), (1393, 352415), (6965, 70483), (9751, 50345), (10069, 48755)]