200740985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 261951360

約数和(自身を除く): 61210375

約数列:

[1, 5, 19, 43, 95, 157, 215, 313, 785, 817, 1565, 2983, 4085, 5947, 6751, 13459, 14915, 29735, 33755, 49141, 67295, 128269, 245705, 255721, 641345, 933679, 1278605, 2113063, 4668395, 10565315, 40148197, 200740985]

約数ペア:

[(1, 200740985), (5, 40148197), (19, 10565315), (43, 4668395), (95, 2113063), (157, 1278605), (215, 933679), (313, 641345), (785, 255721), (817, 245705), (1565, 128269), (2983, 67295), (4085, 49141), (5947, 33755), (6751, 29735), (13459, 14915)]