2000867540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{40487}}^1$

素因数の和:40856

約数の個数: 48

約数和(自身を含む): 4815804672

約数和(自身を除く): 2814937132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3530, 4942, 7060, 9884, 12355, 24710, 40487, 49420, 80974, 161948, 202435, 283409, 404870, 566818, 809740, 1133636, 1417045, 2834090, 5668180, 14291911, 28583822, 57167644, 71459555, 100043377, 142919110, 200086754, 285838220, 400173508, 500216885, 1000433770, 2000867540]

約数ペア:

[(1, 2000867540), (2, 1000433770), (4, 500216885), (5, 400173508), (7, 285838220), (10, 200086754), (14, 142919110), (20, 100043377), (28, 71459555), (35, 57167644), (70, 28583822), (140, 14291911), (353, 5668180), (706, 2834090), (1412, 1417045), (1765, 1133636), (2471, 809740), (3530, 566818), (4942, 404870), (7060, 283409), (9884, 202435), (12355, 161948), (24710, 80974), (40487, 49420)]