212740990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{25117}}^1$

素因数の和:25153

約数の個数: 48

約数和(自身を含む): 481059936

約数和(自身を除く): 268318946

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 25117, 50234, 125585, 175819, 251170, 276287, 351638, 552574, 879095, 1381435, 1758190, 1934009, 2762870, 3039157, 3868018, 6078314, 9670045, 15195785, 19340090, 21274099, 30391570, 42548198, 106370495, 212740990]

約数ペア:

[(1, 212740990), (2, 106370495), (5, 42548198), (7, 30391570), (10, 21274099), (11, 19340090), (14, 15195785), (22, 9670045), (35, 6078314), (55, 3868018), (70, 3039157), (77, 2762870), (110, 1934009), (121, 1758190), (154, 1381435), (242, 879095), (385, 552574), (605, 351638), (770, 276287), (847, 251170), (1210, 175819), (1694, 125585), (4235, 50234), (8470, 25117)]