399967488

素因数分解:

$2^8\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2591}}^1$

素因数の和:2680

約数の個数: 108

約数和(自身を含む): 1170868608

約数和(自身を除く): 770901120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 128, 134, 144, 192, 201, 256, 268, 288, 384, 402, 536, 576, 603, 768, 804, 1072, 1152, 1206, 1608, 2144, 2304, 2412, 2591, 3216, 4288, 4824, 5182, 6432, 7773, 8576, 9648, 10364, 12864, 15546, 17152, 19296, 20728, 23319, 25728, 31092, 38592, 41456, 46638, 51456, 62184, 77184, 82912, 93276, 124368, 154368, 165824, 173597, 186552, 248736, 331648, 347194, 373104, 497472, 520791, 663296, 694388, 746208, 994944, 1041582, 1388776, 1492416, 1562373, 1989888, 2083164, 2777552, 2984832, 3124746, 4166328, 5555104, 5969664, 6249492, 8332656, 11110208, 12498984, 16665312, 22220416, 24997968, 33330624, 44440832, 49995936, 66661248, 99991872, 133322496, 199983744, 399967488]

約数ペア:

[(1, 399967488), (2, 199983744), (3, 133322496), (4, 99991872), (6, 66661248), (8, 49995936), (9, 44440832), (12, 33330624), (16, 24997968), (18, 22220416), (24, 16665312), (32, 12498984), (36, 11110208), (48, 8332656), (64, 6249492), (67, 5969664), (72, 5555104), (96, 4166328), (128, 3124746), (134, 2984832), (144, 2777552), (192, 2083164), (201, 1989888), (256, 1562373), (268, 1492416), (288, 1388776), (384, 1041582), (402, 994944), (536, 746208), (576, 694388), (603, 663296), (768, 520791), (804, 497472), (1072, 373104), (1152, 347194), (1206, 331648), (1608, 248736), (2144, 186552), (2304, 173597), (2412, 165824), (2591, 154368), (3216, 124368), (4288, 93276), (4824, 82912), (5182, 77184), (6432, 62184), (7773, 51456), (8576, 46638), (9648, 41456), (10364, 38592), (12864, 31092), (15546, 25728), (17152, 23319), (19296, 20728)]