890249780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6358927}}^1$

素因数の和:6358943

約数の個数: 24

約数和(自身を含む): 2136599808

約数和(自身を除く): 1246350028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6358927, 12717854, 25435708, 31794635, 44512489, 63589270, 89024978, 127178540, 178049956, 222562445, 445124890, 890249780]

約数ペア:

[(1, 890249780), (2, 445124890), (4, 222562445), (5, 178049956), (7, 127178540), (10, 89024978), (14, 63589270), (20, 44512489), (28, 31794635), (35, 25435708), (70, 12717854), (140, 6358927)]