320852140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2291801}}^1$

素因数の和:2291817

約数の個数: 24

約数和(自身を含む): 770045472

約数和(自身を除く): 449193332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2291801, 4583602, 9167204, 11459005, 16042607, 22918010, 32085214, 45836020, 64170428, 80213035, 160426070, 320852140]

約数ペア:

[(1, 320852140), (2, 160426070), (4, 80213035), (5, 64170428), (7, 45836020), (10, 32085214), (14, 22918010), (20, 16042607), (28, 11459005), (35, 9167204), (70, 4583602), (140, 2291801)]