393602800

素因数分解:

$2^4\times 5^2\times {\mathrm{984007}}^1$

素因数の和:984025

約数の個数: 30

約数和(自身を含む): 945631688

約数和(自身を除く): 552028888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 984007, 1968014, 3936028, 4920035, 7872056, 9840070, 15744112, 19680140, 24600175, 39360280, 49200350, 78720560, 98400700, 196801400, 393602800]

約数ペア:

[(1, 393602800), (2, 196801400), (4, 98400700), (5, 78720560), (8, 49200350), (10, 39360280), (16, 24600175), (20, 19680140), (25, 15744112), (40, 9840070), (50, 7872056), (80, 4920035), (100, 3936028), (200, 1968014), (400, 984007)]