90131888

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 219628800

約数和(自身を除く): 129496912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 149, 154, 176, 298, 308, 491, 596, 616, 982, 1043, 1192, 1232, 1639, 1964, 2086, 2384, 3278, 3437, 3928, 4172, 5401, 6556, 6874, 7856, 8344, 10802, 11473, 13112, 13748, 16688, 21604, 22946, 26224, 27496, 37807, 43208, 45892, 54992, 73159, 75614, 86416, 91784, 146318, 151228, 183568, 292636, 302456, 512113, 585272, 604912, 804749, 1024226, 1170544, 1609498, 2048452, 3218996, 4096904, 5633243, 6437992, 8193808, 11266486, 12875984, 22532972, 45065944, 90131888]

約数ペア:

[(1, 90131888), (2, 45065944), (4, 22532972), (7, 12875984), (8, 11266486), (11, 8193808), (14, 6437992), (16, 5633243), (22, 4096904), (28, 3218996), (44, 2048452), (56, 1609498), (77, 1170544), (88, 1024226), (112, 804749), (149, 604912), (154, 585272), (176, 512113), (298, 302456), (308, 292636), (491, 183568), (596, 151228), (616, 146318), (982, 91784), (1043, 86416), (1192, 75614), (1232, 73159), (1639, 54992), (1964, 45892), (2086, 43208), (2384, 37807), (3278, 27496), (3437, 26224), (3928, 22946), (4172, 21604), (5401, 16688), (6556, 13748), (6874, 13112), (7856, 11473), (8344, 10802)]