2912865580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{18713}}^1$

素因数の和:18946

約数の個数: 48

約数和(自身を含む): 6294191904

約数和(自身を除く): 3381326324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 724, 860, 905, 1810, 3620, 7783, 15566, 18713, 31132, 37426, 38915, 74852, 77830, 93565, 155660, 187130, 374260, 804659, 1609318, 3218636, 3387053, 4023295, 6774106, 8046590, 13548212, 16093180, 16935265, 33870530, 67741060, 145643279, 291286558, 582573116, 728216395, 1456432790, 2912865580]

約数ペア:

[(1, 2912865580), (2, 1456432790), (4, 728216395), (5, 582573116), (10, 291286558), (20, 145643279), (43, 67741060), (86, 33870530), (172, 16935265), (181, 16093180), (215, 13548212), (362, 8046590), (430, 6774106), (724, 4023295), (860, 3387053), (905, 3218636), (1810, 1609318), (3620, 804659), (7783, 374260), (15566, 187130), (18713, 155660), (31132, 93565), (37426, 77830), (38915, 74852)]