1290875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:487

約数の個数: 16

約数和(自身を含む): 1684800

約数和(自身を除く): 393925

約数列:

[1, 5, 23, 25, 115, 125, 449, 575, 2245, 2875, 10327, 11225, 51635, 56125, 258175, 1290875]

約数ペア:

[(1, 1290875), (5, 258175), (23, 56125), (25, 51635), (115, 11225), (125, 10327), (449, 2875), (575, 2245)]