135720340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{969431}}^1$

素因数の和:969447

約数の個数: 24

約数和(自身を含む): 325729152

約数和(自身を除く): 190008812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 969431, 1938862, 3877724, 4847155, 6786017, 9694310, 13572034, 19388620, 27144068, 33930085, 67860170, 135720340]

約数ペア:

[(1, 135720340), (2, 67860170), (4, 33930085), (5, 27144068), (7, 19388620), (10, 13572034), (14, 9694310), (20, 6786017), (28, 4847155), (35, 3877724), (70, 1938862), (140, 969431)]