280117810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{81667}}^1$

素因数の和:81695

約数の個数: 32

約数和(自身を含む): 588009600

約数和(自身を除く): 307891790

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 81667, 163334, 408335, 571669, 816670, 1143338, 2858345, 4001683, 5716690, 8003366, 20008415, 28011781, 40016830, 56023562, 140058905, 280117810]

約数ペア:

[(1, 280117810), (2, 140058905), (5, 56023562), (7, 40016830), (10, 28011781), (14, 20008415), (35, 8003366), (49, 5716690), (70, 4001683), (98, 2858345), (245, 1143338), (343, 816670), (490, 571669), (686, 408335), (1715, 163334), (3430, 81667)]