352711220

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{27427}}^1$

素因数の和:28079

約数の個数: 24

約数和(自身を含む): 741872544

約数和(自身を除く): 389161324

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 27427, 54854, 109708, 137135, 274270, 548540, 17635561, 35271122, 70542244, 88177805, 176355610, 352711220]

約数ペア:

[(1, 352711220), (2, 176355610), (4, 88177805), (5, 70542244), (10, 35271122), (20, 17635561), (643, 548540), (1286, 274270), (2572, 137135), (3215, 109708), (6430, 54854), (12860, 27427)]