309075140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127717}}^1$

素因数の和:127748

約数の個数: 36

約数和(自身を含む): 713432748

約数和(自身を除く): 404357608

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 127717, 255434, 510868, 638585, 1277170, 1404887, 2554340, 2809774, 5619548, 7024435, 14048870, 15453757, 28097740, 30907514, 61815028, 77268785, 154537570, 309075140]

約数ペア:

[(1, 309075140), (2, 154537570), (4, 77268785), (5, 61815028), (10, 30907514), (11, 28097740), (20, 15453757), (22, 14048870), (44, 7024435), (55, 5619548), (110, 2809774), (121, 2554340), (220, 1404887), (242, 1277170), (484, 638585), (605, 510868), (1210, 255434), (2420, 127717)]