28751010260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{205364359}}^1$

素因数の和:205364375

約数の個数: 24

約数和(自身を含む): 69002424960

約数和(自身を除く): 40251414700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 205364359, 410728718, 821457436, 1026821795, 1437550513, 2053643590, 2875101026, 4107287180, 5750202052, 7187752565, 14375505130, 28751010260]

約数ペア:

[(1, 28751010260), (2, 14375505130), (4, 7187752565), (5, 5750202052), (7, 4107287180), (10, 2875101026), (14, 2053643590), (20, 1437550513), (28, 1026821795), (35, 821457436), (70, 410728718), (140, 205364359)]