386400528

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 1111690008

約数和(自身を除く): 725289480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 197, 212, 257, 318, 394, 424, 477, 514, 591, 636, 771, 788, 848, 954, 1028, 1182, 1272, 1542, 1576, 1773, 1908, 2056, 2313, 2364, 2544, 3084, 3152, 3546, 3816, 4112, 4626, 4728, 6168, 7092, 7632, 9252, 9456, 10441, 12336, 13621, 14184, 18504, 20882, 27242, 28368, 31323, 37008, 40863, 41764, 50629, 54484, 62646, 81726, 83528, 93969, 101258, 108968, 122589, 125292, 151887, 163452, 167056, 187938, 202516, 217936, 245178, 250584, 303774, 326904, 375876, 405032, 455661, 490356, 501168, 607548, 653808, 751752, 810064, 911322, 980712, 1215096, 1503504, 1822644, 1961424, 2430192, 2683337, 3645288, 5366674, 7290576, 8050011, 10733348, 16100022, 21466696, 24150033, 32200044, 42933392, 48300066, 64400088, 96600132, 128800176, 193200264, 386400528]

約数ペア:

[(1, 386400528), (2, 193200264), (3, 128800176), (4, 96600132), (6, 64400088), (8, 48300066), (9, 42933392), (12, 32200044), (16, 24150033), (18, 21466696), (24, 16100022), (36, 10733348), (48, 8050011), (53, 7290576), (72, 5366674), (106, 3645288), (144, 2683337), (159, 2430192), (197, 1961424), (212, 1822644), (257, 1503504), (318, 1215096), (394, 980712), (424, 911322), (477, 810064), (514, 751752), (591, 653808), (636, 607548), (771, 501168), (788, 490356), (848, 455661), (954, 405032), (1028, 375876), (1182, 326904), (1272, 303774), (1542, 250584), (1576, 245178), (1773, 217936), (1908, 202516), (2056, 187938), (2313, 167056), (2364, 163452), (2544, 151887), (3084, 125292), (3152, 122589), (3546, 108968), (3816, 101258), (4112, 93969), (4626, 83528), (4728, 81726), (6168, 62646), (7092, 54484), (7632, 50629), (9252, 41764), (9456, 40863), (10441, 37008), (12336, 31323), (13621, 28368), (14184, 27242), (18504, 20882)]