149719361720

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18999919}}^1$

素因数の和:19000127

約数の個数: 32

約数和(自身を含む): 338578574400

約数和(自身を除く): 188859212680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 18999919, 37999838, 75999676, 94999595, 151999352, 189999190, 379998380, 759996760, 3742984043, 7485968086, 14971936172, 18714920215, 29943872344, 37429840430, 74859680860, 149719361720]

約数ペア:

[(1, 149719361720), (2, 74859680860), (4, 37429840430), (5, 29943872344), (8, 18714920215), (10, 14971936172), (20, 7485968086), (40, 3742984043), (197, 759996760), (394, 379998380), (788, 189999190), (985, 151999352), (1576, 94999595), (1970, 75999676), (3940, 37999838), (7880, 18999919)]