2939090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{347}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 6664896

約数和(自身を除く): 3725806

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 347, 385, 605, 694, 770, 847, 1210, 1694, 1735, 2429, 3470, 3817, 4235, 4858, 7634, 8470, 12145, 19085, 24290, 26719, 38170, 41987, 53438, 83974, 133595, 209935, 267190, 293909, 419870, 587818, 1469545, 2939090]

約数ペア:

[(1, 2939090), (2, 1469545), (5, 587818), (7, 419870), (10, 293909), (11, 267190), (14, 209935), (22, 133595), (35, 83974), (55, 53438), (70, 41987), (77, 38170), (110, 26719), (121, 24290), (154, 19085), (242, 12145), (347, 8470), (385, 7634), (605, 4858), (694, 4235), (770, 3817), (847, 3470), (1210, 2429), (1694, 1735)]