242540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 519792

約数和(自身を除く): 277252

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 181, 268, 335, 362, 670, 724, 905, 1340, 1810, 3620, 12127, 24254, 48508, 60635, 121270, 242540]

約数ペア:

[(1, 242540), (2, 121270), (4, 60635), (5, 48508), (10, 24254), (20, 12127), (67, 3620), (134, 1810), (181, 1340), (268, 905), (335, 724), (362, 670)]