386157260

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{12967}}^1$

素因数の和:14465

約数の個数: 24

約数和(自身を含む): 811537440

約数和(自身を除く): 425380180

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 7445, 12967, 14890, 25934, 29780, 51868, 64835, 129670, 259340, 19307863, 38615726, 77231452, 96539315, 193078630, 386157260]

約数ペア:

[(1, 386157260), (2, 193078630), (4, 96539315), (5, 77231452), (10, 38615726), (20, 19307863), (1489, 259340), (2978, 129670), (5956, 64835), (7445, 51868), (12967, 29780), (14890, 25934)]