7639720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 19051200

約数和(自身を除く): 11411480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 179, 194, 220, 358, 388, 440, 485, 716, 776, 895, 970, 1067, 1432, 1790, 1940, 1969, 2134, 3580, 3880, 3938, 4268, 5335, 7160, 7876, 8536, 9845, 10670, 15752, 17363, 19690, 21340, 34726, 39380, 42680, 69452, 78760, 86815, 138904, 173630, 190993, 347260, 381986, 694520, 763972, 954965, 1527944, 1909930, 3819860, 7639720]

約数ペア:

[(1, 7639720), (2, 3819860), (4, 1909930), (5, 1527944), (8, 954965), (10, 763972), (11, 694520), (20, 381986), (22, 347260), (40, 190993), (44, 173630), (55, 138904), (88, 86815), (97, 78760), (110, 69452), (179, 42680), (194, 39380), (220, 34726), (358, 21340), (388, 19690), (440, 17363), (485, 15752), (716, 10670), (776, 9845), (895, 8536), (970, 7876), (1067, 7160), (1432, 5335), (1790, 4268), (1940, 3938), (1969, 3880), (2134, 3580)]