71908340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{513631}}^1$

素因数の和:513647

約数の個数: 24

約数和(自身を含む): 172580352

約数和(自身を除く): 100672012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 513631, 1027262, 2054524, 2568155, 3595417, 5136310, 7190834, 10272620, 14381668, 17977085, 35954170, 71908340]

約数ペア:

[(1, 71908340), (2, 35954170), (4, 17977085), (5, 14381668), (7, 10272620), (10, 7190834), (14, 5136310), (20, 3595417), (28, 2568155), (35, 2054524), (70, 1027262), (140, 513631)]