1279804700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{297629}}^1$

素因数の和:297686

約数の個数: 36

約数和(自身を含む): 2841771240

約数和(自身を除く): 1561966540

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 297629, 595258, 1190516, 1488145, 2976290, 5952580, 7440725, 12798047, 14881450, 25596094, 29762900, 51192188, 63990235, 127980470, 255960940, 319951175, 639902350, 1279804700]

約数ペア:

[(1, 1279804700), (2, 639902350), (4, 319951175), (5, 255960940), (10, 127980470), (20, 63990235), (25, 51192188), (43, 29762900), (50, 25596094), (86, 14881450), (100, 12798047), (172, 7440725), (215, 5952580), (430, 2976290), (860, 1488145), (1075, 1190516), (2150, 595258), (4300, 297629)]