320420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 692664

約数和(自身を除く): 372244

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 433, 740, 866, 1732, 2165, 4330, 8660, 16021, 32042, 64084, 80105, 160210, 320420]

約数ペア:

[(1, 320420), (2, 160210), (4, 80105), (5, 64084), (10, 32042), (20, 16021), (37, 8660), (74, 4330), (148, 2165), (185, 1732), (370, 866), (433, 740)]