340388545

素因数分解:

$5^1\times 7^2\times {\mathrm{1063}}^1\times {\mathrm{1307}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 475965504

約数和(自身を除く): 135576959

約数列:

[1, 5, 7, 35, 49, 245, 1063, 1307, 5315, 6535, 7441, 9149, 37205, 45745, 52087, 64043, 260435, 320215, 1389341, 6946705, 9725387, 48626935, 68077709, 340388545]

約数ペア:

[(1, 340388545), (5, 68077709), (7, 48626935), (35, 9725387), (49, 6946705), (245, 1389341), (1063, 320215), (1307, 260435), (5315, 64043), (6535, 52087), (7441, 45745), (9149, 37205)]