142226120

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18049}}^1$

素因数の和:18257

約数の個数: 32

約数和(自身を含む): 321651000

約数和(自身を除く): 179424880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 18049, 36098, 72196, 90245, 144392, 180490, 360980, 721960, 3555653, 7111306, 14222612, 17778265, 28445224, 35556530, 71113060, 142226120]

約数ペア:

[(1, 142226120), (2, 71113060), (4, 35556530), (5, 28445224), (8, 17778265), (10, 14222612), (20, 7111306), (40, 3555653), (197, 721960), (394, 360980), (788, 180490), (985, 144392), (1576, 90245), (1970, 72196), (3940, 36098), (7880, 18049)]