189081640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{429731}}^1$

素因数の和:429753

約数の個数: 32

約数和(自身を含む): 464110560

約数和(自身を除く): 275028920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 429731, 859462, 1718924, 2148655, 3437848, 4297310, 4727041, 8594620, 9454082, 17189240, 18908164, 23635205, 37816328, 47270410, 94540820, 189081640]

約数ペア:

[(1, 189081640), (2, 94540820), (4, 47270410), (5, 37816328), (8, 23635205), (10, 18908164), (11, 17189240), (20, 9454082), (22, 8594620), (40, 4727041), (44, 4297310), (55, 3437848), (88, 2148655), (110, 1718924), (220, 859462), (440, 429731)]