2790260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1153}}^1$

素因数の和:1184

約数の個数: 36

約数和(自身を含む): 6446244

約数和(自身を除く): 3655984

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1153, 1210, 2306, 2420, 4612, 5765, 11530, 12683, 23060, 25366, 50732, 63415, 126830, 139513, 253660, 279026, 558052, 697565, 1395130, 2790260]

約数ペア:

[(1, 2790260), (2, 1395130), (4, 697565), (5, 558052), (10, 279026), (11, 253660), (20, 139513), (22, 126830), (44, 63415), (55, 50732), (110, 25366), (121, 23060), (220, 12683), (242, 11530), (484, 5765), (605, 4612), (1153, 2420), (1210, 2306)]