90407548

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2207}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 211438080

約数和(自身を除く): 121030532

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 836, 931, 1078, 1463, 1862, 2156, 2207, 2926, 3724, 4414, 5852, 8828, 10241, 15449, 20482, 24277, 30898, 40964, 41933, 48554, 61796, 83866, 97108, 108143, 167732, 169939, 216286, 293531, 339878, 432572, 461263, 587062, 679756, 922526, 1174124, 1189573, 1845052, 2054717, 2379146, 3228841, 4109434, 4758292, 6457682, 8218868, 12915364, 22601887, 45203774, 90407548]

約数ペア:

[(1, 90407548), (2, 45203774), (4, 22601887), (7, 12915364), (11, 8218868), (14, 6457682), (19, 4758292), (22, 4109434), (28, 3228841), (38, 2379146), (44, 2054717), (49, 1845052), (76, 1189573), (77, 1174124), (98, 922526), (133, 679756), (154, 587062), (196, 461263), (209, 432572), (266, 339878), (308, 293531), (418, 216286), (532, 169939), (539, 167732), (836, 108143), (931, 97108), (1078, 83866), (1463, 61796), (1862, 48554), (2156, 41933), (2207, 40964), (2926, 30898), (3724, 24277), (4414, 20482), (5852, 15449), (8828, 10241)]