19998650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{57139}}^1$

素因数の和:57158

約数の個数: 24

約数和(自身を含む): 42512160

約数和(自身を除く): 22513510

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 57139, 114278, 285695, 399973, 571390, 799946, 1428475, 1999865, 2856950, 3999730, 9999325, 19998650]

約数ペア:

[(1, 19998650), (2, 9999325), (5, 3999730), (7, 2856950), (10, 1999865), (14, 1428475), (25, 799946), (35, 571390), (50, 399973), (70, 285695), (175, 114278), (350, 57139)]