129840340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{927431}}^1$

素因数の和:927447

約数の個数: 24

約数和(自身を含む): 311617152

約数和(自身を除く): 181776812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 927431, 1854862, 3709724, 4637155, 6492017, 9274310, 12984034, 18548620, 25968068, 32460085, 64920170, 129840340]

約数ペア:

[(1, 129840340), (2, 64920170), (4, 32460085), (5, 25968068), (7, 18548620), (10, 12984034), (14, 9274310), (20, 6492017), (28, 4637155), (35, 3709724), (70, 1854862), (140, 927431)]