458890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:537

約数の個数: 16

約数和(自身を含む): 835560

約数和(自身を除く): 376670

約数列:

[1, 2, 5, 10, 109, 218, 421, 545, 842, 1090, 2105, 4210, 45889, 91778, 229445, 458890]

約数ペア:

[(1, 458890), (2, 229445), (5, 91778), (10, 45889), (109, 4210), (218, 2105), (421, 1090), (545, 842)]