517820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 1152144

約数和(自身を除く): 634324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1523, 3046, 6092, 7615, 15230, 25891, 30460, 51782, 103564, 129455, 258910, 517820]

約数ペア:

[(1, 517820), (2, 258910), (4, 129455), (5, 103564), (10, 51782), (17, 30460), (20, 25891), (34, 15230), (68, 7615), (85, 6092), (170, 3046), (340, 1523)]