12420170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{177431}}^1$

素因数の和:177445

約数の個数: 16

約数和(自身を含む): 25550208

約数和(自身を除く): 13130038

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 177431, 354862, 887155, 1242017, 1774310, 2484034, 6210085, 12420170]

約数ペア:

[(1, 12420170), (2, 6210085), (5, 2484034), (7, 1774310), (10, 1242017), (14, 887155), (35, 354862), (70, 177431)]