2547820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 6013728

約数和(自身を除く): 3465908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 313, 370, 407, 626, 740, 814, 1252, 1565, 1628, 2035, 3130, 3443, 4070, 6260, 6886, 8140, 11581, 13772, 17215, 23162, 34430, 46324, 57905, 68860, 115810, 127391, 231620, 254782, 509564, 636955, 1273910, 2547820]

約数ペア:

[(1, 2547820), (2, 1273910), (4, 636955), (5, 509564), (10, 254782), (11, 231620), (20, 127391), (22, 115810), (37, 68860), (44, 57905), (55, 46324), (74, 34430), (110, 23162), (148, 17215), (185, 13772), (220, 11581), (313, 8140), (370, 6886), (407, 6260), (626, 4070), (740, 3443), (814, 3130), (1252, 2035), (1565, 1628)]