282740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 605472

約数和(自身を除く): 322732

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 211, 268, 335, 422, 670, 844, 1055, 1340, 2110, 4220, 14137, 28274, 56548, 70685, 141370, 282740]

約数ペア:

[(1, 282740), (2, 141370), (4, 70685), (5, 56548), (10, 28274), (20, 14137), (67, 4220), (134, 2110), (211, 1340), (268, 1055), (335, 844), (422, 670)]