1788971660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12778369}}^1$

素因数の和:12778385

約数の個数: 24

約数和(自身を含む): 4293532320

約数和(自身を除く): 2504560660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12778369, 25556738, 51113476, 63891845, 89448583, 127783690, 178897166, 255567380, 357794332, 447242915, 894485830, 1788971660]

約数ペア:

[(1, 1788971660), (2, 894485830), (4, 447242915), (5, 357794332), (7, 255567380), (10, 178897166), (14, 127783690), (20, 89448583), (28, 63891845), (35, 51113476), (70, 25556738), (140, 12778369)]