1353860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 2869440

約数和(自身を除く): 1515580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 487, 556, 695, 974, 1390, 1948, 2435, 2780, 4870, 9740, 67693, 135386, 270772, 338465, 676930, 1353860]

約数ペア:

[(1, 1353860), (2, 676930), (4, 338465), (5, 270772), (10, 135386), (20, 67693), (139, 9740), (278, 4870), (487, 2780), (556, 2435), (695, 1948), (974, 1390)]