400667808

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 1123059168

約数和(自身を除く): 722391360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 86, 93, 96, 101, 124, 129, 172, 186, 202, 248, 258, 303, 344, 372, 404, 496, 516, 606, 688, 744, 808, 961, 992, 1032, 1212, 1333, 1376, 1488, 1616, 1922, 2064, 2424, 2666, 2883, 2976, 3131, 3232, 3844, 3999, 4128, 4343, 4848, 5332, 5766, 6262, 7688, 7998, 8686, 9393, 9696, 10664, 11532, 12524, 13029, 15376, 15996, 17372, 18786, 21328, 23064, 25048, 26058, 30752, 31992, 34744, 37572, 41323, 42656, 46128, 50096, 52116, 63984, 69488, 75144, 82646, 92256, 97061, 100192, 104232, 123969, 127968, 134633, 138976, 150288, 165292, 194122, 208464, 247938, 269266, 291183, 300576, 330584, 388244, 403899, 416928, 495876, 538532, 582366, 661168, 776488, 807798, 991752, 1077064, 1164732, 1322336, 1552976, 1615596, 1983504, 2154128, 2329464, 3105952, 3231192, 3967008, 4173623, 4308256, 4658928, 6462384, 8347246, 9317856, 12520869, 12924768, 16694492, 25041738, 33388984, 50083476, 66777968, 100166952, 133555936, 200333904, 400667808]

約数ペア:

[(1, 400667808), (2, 200333904), (3, 133555936), (4, 100166952), (6, 66777968), (8, 50083476), (12, 33388984), (16, 25041738), (24, 16694492), (31, 12924768), (32, 12520869), (43, 9317856), (48, 8347246), (62, 6462384), (86, 4658928), (93, 4308256), (96, 4173623), (101, 3967008), (124, 3231192), (129, 3105952), (172, 2329464), (186, 2154128), (202, 1983504), (248, 1615596), (258, 1552976), (303, 1322336), (344, 1164732), (372, 1077064), (404, 991752), (496, 807798), (516, 776488), (606, 661168), (688, 582366), (744, 538532), (808, 495876), (961, 416928), (992, 403899), (1032, 388244), (1212, 330584), (1333, 300576), (1376, 291183), (1488, 269266), (1616, 247938), (1922, 208464), (2064, 194122), (2424, 165292), (2666, 150288), (2883, 138976), (2976, 134633), (3131, 127968), (3232, 123969), (3844, 104232), (3999, 100192), (4128, 97061), (4343, 92256), (4848, 82646), (5332, 75144), (5766, 69488), (6262, 63984), (7688, 52116), (7998, 50096), (8686, 46128), (9393, 42656), (9696, 41323), (10664, 37572), (11532, 34744), (12524, 31992), (13029, 30752), (15376, 26058), (15996, 25048), (17372, 23064), (18786, 21328)]