1229386490

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{457021}}^1$

素因数の和:457297

約数の個数: 16

約数和(自身を含む): 2221126920

約数和(自身を除く): 991740430

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 457021, 914042, 2285105, 4570210, 122938649, 245877298, 614693245, 1229386490]

約数ペア:

[(1, 1229386490), (2, 614693245), (5, 245877298), (10, 122938649), (269, 4570210), (538, 2285105), (1345, 914042), (2690, 457021)]