61408340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{438631}}^1$

素因数の和:438647

約数の個数: 24

約数和(自身を含む): 147380352

約数和(自身を除く): 85972012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 438631, 877262, 1754524, 2193155, 3070417, 4386310, 6140834, 8772620, 12281668, 15352085, 30704170, 61408340]

約数ペア:

[(1, 61408340), (2, 30704170), (4, 15352085), (5, 12281668), (7, 8772620), (10, 6140834), (14, 4386310), (20, 3070417), (28, 2193155), (35, 1754524), (70, 877262), (140, 438631)]