2398540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 5155920

約数和(自身を除く): 2757380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2789, 5578, 11156, 13945, 27890, 55780, 119927, 239854, 479708, 599635, 1199270, 2398540]

約数ペア:

[(1, 2398540), (2, 1199270), (4, 599635), (5, 479708), (10, 239854), (20, 119927), (43, 55780), (86, 27890), (172, 13945), (215, 11156), (430, 5578), (860, 2789)]