279520304

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 120

約数和(自身を含む): 664912800

約数和(自身を除く): 385392496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 53, 56, 62, 98, 106, 112, 124, 196, 212, 217, 248, 343, 371, 392, 424, 434, 496, 686, 742, 784, 848, 868, 961, 1372, 1484, 1519, 1643, 1736, 1922, 2597, 2744, 2968, 3038, 3286, 3472, 3844, 5194, 5488, 5936, 6076, 6572, 6727, 7688, 10388, 10633, 11501, 12152, 13144, 13454, 15376, 18179, 20776, 21266, 23002, 24304, 26288, 26908, 36358, 41552, 42532, 46004, 47089, 50933, 53816, 72716, 80507, 85064, 92008, 94178, 101866, 107632, 145432, 161014, 170128, 184016, 188356, 203732, 290864, 322028, 329623, 356531, 376712, 407464, 563549, 644056, 659246, 713062, 753424, 814928, 1127098, 1288112, 1318492, 1426124, 2254196, 2495717, 2636984, 2852248, 4508392, 4991434, 5273968, 5704496, 9016784, 9982868, 17470019, 19965736, 34940038, 39931472, 69880076, 139760152, 279520304]

約数ペア:

[(1, 279520304), (2, 139760152), (4, 69880076), (7, 39931472), (8, 34940038), (14, 19965736), (16, 17470019), (28, 9982868), (31, 9016784), (49, 5704496), (53, 5273968), (56, 4991434), (62, 4508392), (98, 2852248), (106, 2636984), (112, 2495717), (124, 2254196), (196, 1426124), (212, 1318492), (217, 1288112), (248, 1127098), (343, 814928), (371, 753424), (392, 713062), (424, 659246), (434, 644056), (496, 563549), (686, 407464), (742, 376712), (784, 356531), (848, 329623), (868, 322028), (961, 290864), (1372, 203732), (1484, 188356), (1519, 184016), (1643, 170128), (1736, 161014), (1922, 145432), (2597, 107632), (2744, 101866), (2968, 94178), (3038, 92008), (3286, 85064), (3472, 80507), (3844, 72716), (5194, 53816), (5488, 50933), (5936, 47089), (6076, 46004), (6572, 42532), (6727, 41552), (7688, 36358), (10388, 26908), (10633, 26288), (11501, 24304), (12152, 23002), (13144, 21266), (13454, 20776), (15376, 18179)]