489869860

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{68227}}^1$

素因数の和:68595

約数の個数: 24

約数和(自身を含む): 1031607360

約数和(自身を除く): 541737500

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 68227, 136454, 272908, 341135, 682270, 1364540, 24493493, 48986986, 97973972, 122467465, 244934930, 489869860]

約数ペア:

[(1, 489869860), (2, 244934930), (4, 122467465), (5, 97973972), (10, 48986986), (20, 24493493), (359, 1364540), (718, 682270), (1436, 341135), (1795, 272908), (3590, 136454), (7180, 68227)]