1219300

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 2695140

約数和(自身を除く): 1475840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 137, 178, 274, 356, 445, 548, 685, 890, 1370, 1780, 2225, 2740, 3425, 4450, 6850, 8900, 12193, 13700, 24386, 48772, 60965, 121930, 243860, 304825, 609650, 1219300]

約数ペア:

[(1, 1219300), (2, 609650), (4, 304825), (5, 243860), (10, 121930), (20, 60965), (25, 48772), (50, 24386), (89, 13700), (100, 12193), (137, 8900), (178, 6850), (274, 4450), (356, 3425), (445, 2740), (548, 2225), (685, 1780), (890, 1370)]