2945140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1217}}^1$

素因数の和:1248

約数の個数: 36

約数和(自身を含む): 6803748

約数和(自身を除く): 3858608

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1217, 2420, 2434, 4868, 6085, 12170, 13387, 24340, 26774, 53548, 66935, 133870, 147257, 267740, 294514, 589028, 736285, 1472570, 2945140]

約数ペア:

[(1, 2945140), (2, 1472570), (4, 736285), (5, 589028), (10, 294514), (11, 267740), (20, 147257), (22, 133870), (44, 66935), (55, 53548), (110, 26774), (121, 24340), (220, 13387), (242, 12170), (484, 6085), (605, 4868), (1210, 2434), (1217, 2420)]