2079890780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{859459}}^1$

素因数の和:859490

約数の個数: 36

約数和(自身を含む): 4800943560

約数和(自身を除く): 2721052780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 859459, 1718918, 3437836, 4297295, 8594590, 9454049, 17189180, 18908098, 37816196, 47270245, 94540490, 103994539, 189080980, 207989078, 415978156, 519972695, 1039945390, 2079890780]

約数ペア:

[(1, 2079890780), (2, 1039945390), (4, 519972695), (5, 415978156), (10, 207989078), (11, 189080980), (20, 103994539), (22, 94540490), (44, 47270245), (55, 37816196), (110, 18908098), (121, 17189180), (220, 9454049), (242, 8594590), (484, 4297295), (605, 3437836), (1210, 1718918), (2420, 859459)]