1227220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 2638944

約数和(自身を除く): 1411724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1427, 2854, 5708, 7135, 14270, 28540, 61361, 122722, 245444, 306805, 613610, 1227220]

約数ペア:

[(1, 1227220), (2, 613610), (4, 306805), (5, 245444), (10, 122722), (20, 61361), (43, 28540), (86, 14270), (172, 7135), (215, 5708), (430, 2854), (860, 1427)]