890725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 1249920

約数和(自身を除く): 359195

約数列:

[1, 5, 11, 25, 41, 55, 79, 205, 275, 395, 451, 869, 1025, 1975, 2255, 3239, 4345, 11275, 16195, 21725, 35629, 80975, 178145, 890725]

約数ペア:

[(1, 890725), (5, 178145), (11, 80975), (25, 35629), (41, 21725), (55, 16195), (79, 11275), (205, 4345), (275, 3239), (395, 2255), (451, 1975), (869, 1025)]