243401480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{869291}}^1$

素因数の和:869309

約数の個数: 32

約数和(自身を含む): 625890240

約数和(自身を除く): 382488760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 869291, 1738582, 3477164, 4346455, 6085037, 6954328, 8692910, 12170074, 17385820, 24340148, 30425185, 34771640, 48680296, 60850370, 121700740, 243401480]

約数ペア:

[(1, 243401480), (2, 121700740), (4, 60850370), (5, 48680296), (7, 34771640), (8, 30425185), (10, 24340148), (14, 17385820), (20, 12170074), (28, 8692910), (35, 6954328), (40, 6085037), (56, 4346455), (70, 3477164), (140, 1738582), (280, 869291)]