2121079180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{876479}}^1$

素因数の和:876510

約数の個数: 36

約数和(自身を含む): 4896017280

約数和(自身を除く): 2774938100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 876479, 1752958, 3505916, 4382395, 8764790, 9641269, 17529580, 19282538, 38565076, 48206345, 96412690, 106053959, 192825380, 212107918, 424215836, 530269795, 1060539590, 2121079180]

約数ペア:

[(1, 2121079180), (2, 1060539590), (4, 530269795), (5, 424215836), (10, 212107918), (11, 192825380), (20, 106053959), (22, 96412690), (44, 48206345), (55, 38565076), (110, 19282538), (121, 17529580), (220, 9641269), (242, 8764790), (484, 4382395), (605, 3505916), (1210, 1752958), (2420, 876479)]