390531460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 923166720

約数和(自身を除く): 532635260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 179, 188, 211, 220, 235, 358, 422, 470, 517, 716, 844, 895, 940, 1034, 1055, 1790, 1969, 2068, 2110, 2321, 2585, 3580, 3938, 4220, 4642, 5170, 7876, 8413, 9284, 9845, 9917, 10340, 11605, 16826, 19690, 19834, 23210, 33652, 37769, 39380, 39668, 42065, 46420, 49585, 75538, 84130, 92543, 99170, 109087, 151076, 168260, 185086, 188845, 198340, 218174, 370172, 377690, 415459, 436348, 462715, 545435, 755380, 830918, 925430, 1090870, 1661836, 1775143, 1850860, 2077295, 2181740, 3550286, 4154590, 7100572, 8309180, 8875715, 17751430, 19526573, 35502860, 39053146, 78106292, 97632865, 195265730, 390531460]

約数ペア:

[(1, 390531460), (2, 195265730), (4, 97632865), (5, 78106292), (10, 39053146), (11, 35502860), (20, 19526573), (22, 17751430), (44, 8875715), (47, 8309180), (55, 7100572), (94, 4154590), (110, 3550286), (179, 2181740), (188, 2077295), (211, 1850860), (220, 1775143), (235, 1661836), (358, 1090870), (422, 925430), (470, 830918), (517, 755380), (716, 545435), (844, 462715), (895, 436348), (940, 415459), (1034, 377690), (1055, 370172), (1790, 218174), (1969, 198340), (2068, 188845), (2110, 185086), (2321, 168260), (2585, 151076), (3580, 109087), (3938, 99170), (4220, 92543), (4642, 84130), (5170, 75538), (7876, 49585), (8413, 46420), (9284, 42065), (9845, 39668), (9917, 39380), (10340, 37769), (11605, 33652), (16826, 23210), (19690, 19834)]