286576640

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 104

約数和(自身を含む): 786336000

約数和(自身を除く): 499759360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 1999, 2048, 2240, 2560, 3584, 3998, 4096, 4480, 5120, 7168, 7996, 8960, 9995, 10240, 13993, 14336, 15992, 17920, 19990, 20480, 27986, 28672, 31984, 35840, 39980, 55972, 63968, 69965, 71680, 79960, 111944, 127936, 139930, 143360, 159920, 223888, 255872, 279860, 319840, 447776, 511744, 559720, 639680, 895552, 1023488, 1119440, 1279360, 1791104, 2046976, 2238880, 2558720, 3582208, 4093952, 4477760, 5117440, 7164416, 8187904, 8955520, 10234880, 14328832, 17911040, 20469760, 28657664, 35822080, 40939520, 57315328, 71644160, 143288320, 286576640]

約数ペア:

[(1, 286576640), (2, 143288320), (4, 71644160), (5, 57315328), (7, 40939520), (8, 35822080), (10, 28657664), (14, 20469760), (16, 17911040), (20, 14328832), (28, 10234880), (32, 8955520), (35, 8187904), (40, 7164416), (56, 5117440), (64, 4477760), (70, 4093952), (80, 3582208), (112, 2558720), (128, 2238880), (140, 2046976), (160, 1791104), (224, 1279360), (256, 1119440), (280, 1023488), (320, 895552), (448, 639680), (512, 559720), (560, 511744), (640, 447776), (896, 319840), (1024, 279860), (1120, 255872), (1280, 223888), (1792, 159920), (1999, 143360), (2048, 139930), (2240, 127936), (2560, 111944), (3584, 79960), (3998, 71680), (4096, 69965), (4480, 63968), (5120, 55972), (7168, 39980), (7996, 35840), (8960, 31984), (9995, 28672), (10240, 27986), (13993, 20480), (14336, 19990), (15992, 17920)]