255823904

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 638910720

約数和(自身を除く): 383086816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 76, 98, 112, 124, 133, 152, 196, 217, 224, 248, 266, 277, 304, 392, 434, 496, 532, 554, 589, 608, 784, 868, 931, 992, 1064, 1108, 1178, 1519, 1568, 1736, 1862, 1939, 2128, 2216, 2356, 3038, 3472, 3724, 3878, 4123, 4256, 4432, 4712, 5263, 6076, 6944, 7448, 7756, 8246, 8587, 8864, 9424, 10526, 12152, 13573, 14896, 15512, 16492, 17174, 18848, 21052, 24304, 27146, 28861, 29792, 31024, 32984, 34348, 36841, 42104, 48608, 54292, 57722, 60109, 62048, 65968, 68696, 73682, 84208, 108584, 115444, 120218, 131936, 137392, 147364, 163153, 168416, 217168, 230888, 240436, 257887, 274784, 294728, 326306, 420763, 434336, 461776, 480872, 515774, 589456, 652612, 841526, 923552, 961744, 1031548, 1142071, 1178912, 1305224, 1683052, 1923488, 2063096, 2284142, 2610448, 3366104, 4126192, 4568284, 5220896, 6732208, 7994497, 8252384, 9136568, 13464416, 15988994, 18273136, 31977988, 36546272, 63955976, 127911952, 255823904]

約数ペア:

[(1, 255823904), (2, 127911952), (4, 63955976), (7, 36546272), (8, 31977988), (14, 18273136), (16, 15988994), (19, 13464416), (28, 9136568), (31, 8252384), (32, 7994497), (38, 6732208), (49, 5220896), (56, 4568284), (62, 4126192), (76, 3366104), (98, 2610448), (112, 2284142), (124, 2063096), (133, 1923488), (152, 1683052), (196, 1305224), (217, 1178912), (224, 1142071), (248, 1031548), (266, 961744), (277, 923552), (304, 841526), (392, 652612), (434, 589456), (496, 515774), (532, 480872), (554, 461776), (589, 434336), (608, 420763), (784, 326306), (868, 294728), (931, 274784), (992, 257887), (1064, 240436), (1108, 230888), (1178, 217168), (1519, 168416), (1568, 163153), (1736, 147364), (1862, 137392), (1939, 131936), (2128, 120218), (2216, 115444), (2356, 108584), (3038, 84208), (3472, 73682), (3724, 68696), (3878, 65968), (4123, 62048), (4256, 60109), (4432, 57722), (4712, 54292), (5263, 48608), (6076, 42104), (6944, 36841), (7448, 34348), (7756, 32984), (8246, 31024), (8587, 29792), (8864, 28861), (9424, 27146), (10526, 24304), (12152, 21052), (13573, 18848), (14896, 17174), (15512, 16492)]