139454800

素因数分解:

$2^4\times 5^2\times {\mathrm{348637}}^1$

素因数の和:348655

約数の個数: 30

約数和(自身を含む): 335041118

約数和(自身を除く): 195586318

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 348637, 697274, 1394548, 1743185, 2789096, 3486370, 5578192, 6972740, 8715925, 13945480, 17431850, 27890960, 34863700, 69727400, 139454800]

約数ペア:

[(1, 139454800), (2, 69727400), (4, 34863700), (5, 27890960), (8, 17431850), (10, 13945480), (16, 8715925), (20, 6972740), (25, 5578192), (40, 3486370), (50, 2789096), (80, 1743185), (100, 1394548), (200, 697274), (400, 348637)]