990267872

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{8819}}^1$

素因数の和:8880

約数の個数: 72

約数和(自身を含む): 2217083400

約数和(自身を除く): 1226815528

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 121, 176, 232, 242, 319, 352, 464, 484, 638, 928, 968, 1276, 1936, 2552, 3509, 3872, 5104, 7018, 8819, 10208, 14036, 17638, 28072, 35276, 56144, 70552, 97009, 112288, 141104, 194018, 255751, 282208, 388036, 511502, 776072, 1023004, 1067099, 1552144, 2046008, 2134198, 2813261, 3104288, 4092016, 4268396, 5626522, 8184032, 8536792, 11253044, 17073584, 22506088, 30945871, 34147168, 45012176, 61891742, 90024352, 123783484, 247566968, 495133936, 990267872]

約数ペア:

[(1, 990267872), (2, 495133936), (4, 247566968), (8, 123783484), (11, 90024352), (16, 61891742), (22, 45012176), (29, 34147168), (32, 30945871), (44, 22506088), (58, 17073584), (88, 11253044), (116, 8536792), (121, 8184032), (176, 5626522), (232, 4268396), (242, 4092016), (319, 3104288), (352, 2813261), (464, 2134198), (484, 2046008), (638, 1552144), (928, 1067099), (968, 1023004), (1276, 776072), (1936, 511502), (2552, 388036), (3509, 282208), (3872, 255751), (5104, 194018), (7018, 141104), (8819, 112288), (10208, 97009), (14036, 70552), (17638, 56144), (28072, 35276)]