289399180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2067137}}^1$

素因数の和:2067153

約数の個数: 24

約数和(自身を含む): 694558368

約数和(自身を除く): 405159188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2067137, 4134274, 8268548, 10335685, 14469959, 20671370, 28939918, 41342740, 57879836, 72349795, 144699590, 289399180]

約数ペア:

[(1, 289399180), (2, 144699590), (4, 72349795), (5, 57879836), (7, 41342740), (10, 28939918), (14, 20671370), (20, 14469959), (28, 10335685), (35, 8268548), (70, 4134274), (140, 2067137)]