128037710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{2719}}^1$

素因数の和:3020

約数の個数: 32

約数和(自身を含む): 244995840

約数和(自身を除く): 116958130

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 277, 554, 1385, 2719, 2770, 4709, 5438, 9418, 13595, 23545, 27190, 46223, 47090, 92446, 231115, 462230, 753163, 1506326, 3765815, 7531630, 12803771, 25607542, 64018855, 128037710]

約数ペア:

[(1, 128037710), (2, 64018855), (5, 25607542), (10, 12803771), (17, 7531630), (34, 3765815), (85, 1506326), (170, 753163), (277, 462230), (554, 231115), (1385, 92446), (2719, 47090), (2770, 46223), (4709, 27190), (5438, 23545), (9418, 13595)]