210906140

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{8443}}^1$

素因数の和:9701

約数の個数: 24

約数和(自身を含む): 443310000

約数和(自身を除く): 232403860

約数列:

[1, 2, 4, 5, 10, 20, 1249, 2498, 4996, 6245, 8443, 12490, 16886, 24980, 33772, 42215, 84430, 168860, 10545307, 21090614, 42181228, 52726535, 105453070, 210906140]

約数ペア:

[(1, 210906140), (2, 105453070), (4, 52726535), (5, 42181228), (10, 21090614), (20, 10545307), (1249, 168860), (2498, 84430), (4996, 42215), (6245, 33772), (8443, 24980), (12490, 16886)]