30482500

素因数分解:

$2^2\times 5^4\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 60

約数和(自身を含む): 67900140

約数和(自身を除く): 37417640

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 137, 178, 250, 274, 356, 445, 500, 548, 625, 685, 890, 1250, 1370, 1780, 2225, 2500, 2740, 3425, 4450, 6850, 8900, 11125, 12193, 13700, 17125, 22250, 24386, 34250, 44500, 48772, 55625, 60965, 68500, 85625, 111250, 121930, 171250, 222500, 243860, 304825, 342500, 609650, 1219300, 1524125, 3048250, 6096500, 7620625, 15241250, 30482500]

約数ペア:

[(1, 30482500), (2, 15241250), (4, 7620625), (5, 6096500), (10, 3048250), (20, 1524125), (25, 1219300), (50, 609650), (89, 342500), (100, 304825), (125, 243860), (137, 222500), (178, 171250), (250, 121930), (274, 111250), (356, 85625), (445, 68500), (500, 60965), (548, 55625), (625, 48772), (685, 44500), (890, 34250), (1250, 24386), (1370, 22250), (1780, 17125), (2225, 13700), (2500, 12193), (2740, 11125), (3425, 8900), (4450, 6850)]