71939890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34421}}^1$

素因数の和:34458

約数の個数: 32

約数和(自身を含む): 148703040

約数和(自身を除く): 76763150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 34421, 68842, 172105, 344210, 378631, 653999, 757262, 1307998, 1893155, 3269995, 3786310, 6539990, 7193989, 14387978, 35969945, 71939890]

約数ペア:

[(1, 71939890), (2, 35969945), (5, 14387978), (10, 7193989), (11, 6539990), (19, 3786310), (22, 3269995), (38, 1893155), (55, 1307998), (95, 757262), (110, 653999), (190, 378631), (209, 344210), (418, 172105), (1045, 68842), (2090, 34421)]