19997950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3361}}^1$

素因数の和:3397

約数の個数: 48

約数和(自身を含む): 45023904

約数和(自身を除く): 25025954

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 350, 425, 595, 850, 1190, 2975, 3361, 5950, 6722, 16805, 23527, 33610, 47054, 57137, 84025, 114274, 117635, 168050, 235270, 285685, 399959, 571370, 588175, 799918, 1176350, 1428425, 1999795, 2856850, 3999590, 9998975, 19997950]

約数ペア:

[(1, 19997950), (2, 9998975), (5, 3999590), (7, 2856850), (10, 1999795), (14, 1428425), (17, 1176350), (25, 799918), (34, 588175), (35, 571370), (50, 399959), (70, 285685), (85, 235270), (119, 168050), (170, 117635), (175, 114274), (238, 84025), (350, 57137), (425, 47054), (595, 33610), (850, 23527), (1190, 16805), (2975, 6722), (3361, 5950)]