266771560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{606299}}^1$

素因数の和:606321

約数の個数: 32

約数和(自身を含む): 654804000

約数和(自身を除く): 388032440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 606299, 1212598, 2425196, 3031495, 4850392, 6062990, 6669289, 12125980, 13338578, 24251960, 26677156, 33346445, 53354312, 66692890, 133385780, 266771560]

約数ペア:

[(1, 266771560), (2, 133385780), (4, 66692890), (5, 53354312), (8, 33346445), (10, 26677156), (11, 24251960), (20, 13338578), (22, 12125980), (40, 6669289), (44, 6062990), (55, 4850392), (88, 3031495), (110, 2425196), (220, 1212598), (440, 606299)]