28539700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{40771}}^1$

素因数の和:40792

約数の個数: 36

約数和(自身を含む): 70780192

約数和(自身を除く): 42240492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 40771, 81542, 163084, 203855, 285397, 407710, 570794, 815420, 1019275, 1141588, 1426985, 2038550, 2853970, 4077100, 5707940, 7134925, 14269850, 28539700]

約数ペア:

[(1, 28539700), (2, 14269850), (4, 7134925), (5, 5707940), (7, 4077100), (10, 2853970), (14, 2038550), (20, 1426985), (25, 1141588), (28, 1019275), (35, 815420), (50, 570794), (70, 407710), (100, 285397), (140, 203855), (175, 163084), (350, 81542), (700, 40771)]