208180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1487}}^1$

素因数の和:1503

約数の個数: 24

約数和(自身を含む): 499968

約数和(自身を除く): 291788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1487, 2974, 5948, 7435, 10409, 14870, 20818, 29740, 41636, 52045, 104090, 208180]

約数ペア:

[(1, 208180), (2, 104090), (4, 52045), (5, 41636), (7, 29740), (10, 20818), (14, 14870), (20, 10409), (28, 7435), (35, 5948), (70, 2974), (140, 1487)]