201020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:74

約数の個数: 36

約数和(自身を含む): 464520

約数和(自身を除く): 263500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 529, 874, 1058, 1748, 2116, 2185, 2645, 4370, 5290, 8740, 10051, 10580, 20102, 40204, 50255, 100510, 201020]

約数ペア:

[(1, 201020), (2, 100510), (4, 50255), (5, 40204), (10, 20102), (19, 10580), (20, 10051), (23, 8740), (38, 5290), (46, 4370), (76, 2645), (92, 2185), (95, 2116), (115, 1748), (190, 1058), (230, 874), (380, 529), (437, 460)]