680948860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{791801}}^1$

素因数の和:791853

約数の個数: 24

約数和(自身を含む): 1463250096

約数和(自身を除く): 782301236

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 791801, 1583602, 3167204, 3959005, 7918010, 15836020, 34047443, 68094886, 136189772, 170237215, 340474430, 680948860]

約数ペア:

[(1, 680948860), (2, 340474430), (4, 170237215), (5, 136189772), (10, 68094886), (20, 34047443), (43, 15836020), (86, 7918010), (172, 3959005), (215, 3167204), (430, 1583602), (860, 791801)]