742240840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{8563}}^1$

素因数の和:8782

約数の個数: 64

約数和(自身を含む): 1831325760

約数和(自身を除く): 1089084920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1576, 1970, 2167, 3940, 4334, 7880, 8563, 8668, 10835, 17126, 17336, 21670, 34252, 42815, 43340, 68504, 85630, 86680, 94193, 171260, 188386, 342520, 376772, 470965, 753544, 941930, 1686911, 1883860, 3373822, 3767720, 6747644, 8434555, 13495288, 16869110, 18556021, 33738220, 37112042, 67476440, 74224084, 92780105, 148448168, 185560210, 371120420, 742240840]

約数ペア:

[(1, 742240840), (2, 371120420), (4, 185560210), (5, 148448168), (8, 92780105), (10, 74224084), (11, 67476440), (20, 37112042), (22, 33738220), (40, 18556021), (44, 16869110), (55, 13495288), (88, 8434555), (110, 6747644), (197, 3767720), (220, 3373822), (394, 1883860), (440, 1686911), (788, 941930), (985, 753544), (1576, 470965), (1970, 376772), (2167, 342520), (3940, 188386), (4334, 171260), (7880, 94193), (8563, 86680), (8668, 85630), (10835, 68504), (17126, 43340), (17336, 42815), (21670, 34252)]