775420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 1646064

約数和(自身を除く): 870644

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 283, 548, 566, 685, 1132, 1370, 1415, 2740, 2830, 5660, 38771, 77542, 155084, 193855, 387710, 775420]

約数ペア:

[(1, 775420), (2, 387710), (4, 193855), (5, 155084), (10, 77542), (20, 38771), (137, 5660), (274, 2830), (283, 2740), (548, 1415), (566, 1370), (685, 1132)]