654580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 1435392

約数和(自身を除く): 780812

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1423, 2846, 5692, 7115, 14230, 28460, 32729, 65458, 130916, 163645, 327290, 654580]

約数ペア:

[(1, 654580), (2, 327290), (4, 163645), (5, 130916), (10, 65458), (20, 32729), (23, 28460), (46, 14230), (92, 7115), (115, 5692), (230, 2846), (460, 1423)]