254385020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{57037}}^1$

素因数の和:57269

約数の個数: 24

約数和(自身を含む): 536613504

約数和(自身を除く): 282228484

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 57037, 114074, 228148, 285185, 570370, 1140740, 12719251, 25438502, 50877004, 63596255, 127192510, 254385020]

約数ペア:

[(1, 254385020), (2, 127192510), (4, 63596255), (5, 50877004), (10, 25438502), (20, 12719251), (223, 1140740), (446, 570370), (892, 285185), (1115, 228148), (2230, 114074), (4460, 57037)]