1587380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 3363360

約数和(自身を除く): 1775980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 571, 695, 1142, 1390, 2284, 2780, 2855, 5710, 11420, 79369, 158738, 317476, 396845, 793690, 1587380]

約数ペア:

[(1, 1587380), (2, 793690), (4, 396845), (5, 317476), (10, 158738), (20, 79369), (139, 11420), (278, 5710), (556, 2855), (571, 2780), (695, 2284), (1142, 1390)]