2553860

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 5405400

約数和(自身を除く): 2851540

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 857, 1490, 1714, 2980, 3428, 4285, 8570, 17140, 127693, 255386, 510772, 638465, 1276930, 2553860]

約数ペア:

[(1, 2553860), (2, 1276930), (4, 638465), (5, 510772), (10, 255386), (20, 127693), (149, 17140), (298, 8570), (596, 4285), (745, 3428), (857, 2980), (1490, 1714)]