900940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 1914192

約数和(自身を除く): 1013252

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 421, 428, 535, 842, 1070, 1684, 2105, 2140, 4210, 8420, 45047, 90094, 180188, 225235, 450470, 900940]

約数ペア:

[(1, 900940), (2, 450470), (4, 225235), (5, 180188), (10, 90094), (20, 45047), (107, 8420), (214, 4210), (421, 2140), (428, 2105), (535, 1684), (842, 1070)]