420512252

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{20441}}^1$

素因数の和:20621

約数の個数: 24

約数和(自身を含む): 761260080

約数和(自身を除く): 340747828

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 5143, 10286, 20441, 20572, 40882, 81764, 756317, 1512634, 2841299, 3025268, 5682598, 11365196, 105128063, 210256126, 420512252]

約数ペア:

[(1, 420512252), (2, 210256126), (4, 105128063), (37, 11365196), (74, 5682598), (139, 3025268), (148, 2841299), (278, 1512634), (556, 756317), (5143, 81764), (10286, 40882), (20441, 20572)]