808220980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{6337}}^1$

素因数の和:7264

約数の個数: 48

約数和(自身を含む): 1942166016

約数和(自身を除く): 1133945036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 911, 1822, 3644, 4555, 6337, 6377, 9110, 12674, 12754, 18220, 25348, 25508, 31685, 31885, 44359, 63370, 63770, 88718, 126740, 127540, 177436, 221795, 443590, 887180, 5773007, 11546014, 23092028, 28865035, 40411049, 57730070, 80822098, 115460140, 161644196, 202055245, 404110490, 808220980]

約数ペア:

[(1, 808220980), (2, 404110490), (4, 202055245), (5, 161644196), (7, 115460140), (10, 80822098), (14, 57730070), (20, 40411049), (28, 28865035), (35, 23092028), (70, 11546014), (140, 5773007), (911, 887180), (1822, 443590), (3644, 221795), (4555, 177436), (6337, 127540), (6377, 126740), (9110, 88718), (12674, 63770), (12754, 63370), (18220, 44359), (25348, 31885), (25508, 31685)]