209969380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32503}}^1$

素因数の和:32548

約数の個数: 48

約数和(自身を含む): 491460480

約数和(自身を除く): 281491100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 32503, 65006, 130012, 162515, 325030, 552551, 617557, 650060, 1105102, 1235114, 2210204, 2470228, 2762755, 3087785, 5525510, 6175570, 10498469, 11051020, 12351140, 20996938, 41993876, 52492345, 104984690, 209969380]

約数ペア:

[(1, 209969380), (2, 104984690), (4, 52492345), (5, 41993876), (10, 20996938), (17, 12351140), (19, 11051020), (20, 10498469), (34, 6175570), (38, 5525510), (68, 3087785), (76, 2762755), (85, 2470228), (95, 2210204), (170, 1235114), (190, 1105102), (323, 650060), (340, 617557), (380, 552551), (646, 325030), (1292, 162515), (1615, 130012), (3230, 65006), (6460, 32503)]