494860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 1053360

約数和(自身を除く): 558500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 227, 436, 454, 545, 908, 1090, 1135, 2180, 2270, 4540, 24743, 49486, 98972, 123715, 247430, 494860]

約数ペア:

[(1, 494860), (2, 247430), (4, 123715), (5, 98972), (10, 49486), (20, 24743), (109, 4540), (218, 2270), (227, 2180), (436, 1135), (454, 1090), (545, 908)]