306860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 656880

約数和(自身を除く): 350020

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 229, 268, 335, 458, 670, 916, 1145, 1340, 2290, 4580, 15343, 30686, 61372, 76715, 153430, 306860]

約数ペア:

[(1, 306860), (2, 153430), (4, 76715), (5, 61372), (10, 30686), (20, 15343), (67, 4580), (134, 2290), (229, 1340), (268, 1145), (335, 916), (458, 670)]