123228860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{56527}}^1$

素因数の和:56645

約数の個数: 24

約数和(自身を含む): 261159360

約数和(自身を除く): 137930500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 56527, 113054, 226108, 282635, 565270, 1130540, 6161443, 12322886, 24645772, 30807215, 61614430, 123228860]

約数ペア:

[(1, 123228860), (2, 61614430), (4, 30807215), (5, 24645772), (10, 12322886), (20, 6161443), (109, 1130540), (218, 565270), (436, 282635), (545, 226108), (1090, 113054), (2180, 56527)]