387575888

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 928226304

約数和(自身を除く): 540650416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 49, 56, 62, 74, 98, 112, 124, 148, 196, 217, 248, 259, 296, 392, 431, 434, 496, 518, 592, 784, 862, 868, 1036, 1147, 1519, 1724, 1736, 1813, 2072, 2294, 3017, 3038, 3448, 3472, 3626, 4144, 4588, 6034, 6076, 6896, 7252, 8029, 9176, 12068, 12152, 13361, 14504, 15947, 16058, 18352, 21119, 24136, 24304, 26722, 29008, 31894, 32116, 42238, 48272, 53444, 56203, 63788, 64232, 84476, 93527, 106888, 111629, 112406, 127576, 128464, 168952, 187054, 213776, 223258, 224812, 255152, 337904, 374108, 446516, 449624, 494357, 654689, 748216, 781403, 893032, 899248, 988714, 1309378, 1496432, 1562806, 1786064, 1977428, 2618756, 3125612, 3460499, 3954856, 5237512, 6251224, 6920998, 7909712, 10475024, 12502448, 13841996, 24223493, 27683992, 48446986, 55367984, 96893972, 193787944, 387575888]

約数ペア:

[(1, 387575888), (2, 193787944), (4, 96893972), (7, 55367984), (8, 48446986), (14, 27683992), (16, 24223493), (28, 13841996), (31, 12502448), (37, 10475024), (49, 7909712), (56, 6920998), (62, 6251224), (74, 5237512), (98, 3954856), (112, 3460499), (124, 3125612), (148, 2618756), (196, 1977428), (217, 1786064), (248, 1562806), (259, 1496432), (296, 1309378), (392, 988714), (431, 899248), (434, 893032), (496, 781403), (518, 748216), (592, 654689), (784, 494357), (862, 449624), (868, 446516), (1036, 374108), (1147, 337904), (1519, 255152), (1724, 224812), (1736, 223258), (1813, 213776), (2072, 187054), (2294, 168952), (3017, 128464), (3038, 127576), (3448, 112406), (3472, 111629), (3626, 106888), (4144, 93527), (4588, 84476), (6034, 64232), (6076, 63788), (6896, 56203), (7252, 53444), (8029, 48272), (9176, 42238), (12068, 32116), (12152, 31894), (13361, 29008), (14504, 26722), (15947, 24304), (16058, 24136), (18352, 21119)]