90310990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6173}}^1$

素因数の和:6217

約数の個数: 64

約数和(自身を含む): 213373440

約数和(自身を除く): 123062450

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2926, 6173, 7315, 12346, 14630, 30865, 43211, 61730, 67903, 86422, 117287, 135806, 216055, 234574, 339515, 432110, 475321, 586435, 679030, 821009, 950642, 1172870, 1290157, 1642018, 2376605, 2580314, 4105045, 4753210, 6450785, 8210090, 9031099, 12901570, 18062198, 45155495, 90310990]

約数ペア:

[(1, 90310990), (2, 45155495), (5, 18062198), (7, 12901570), (10, 9031099), (11, 8210090), (14, 6450785), (19, 4753210), (22, 4105045), (35, 2580314), (38, 2376605), (55, 1642018), (70, 1290157), (77, 1172870), (95, 950642), (110, 821009), (133, 679030), (154, 586435), (190, 475321), (209, 432110), (266, 339515), (385, 234574), (418, 216055), (665, 135806), (770, 117287), (1045, 86422), (1330, 67903), (1463, 61730), (2090, 43211), (2926, 30865), (6173, 14630), (7315, 12346)]