194803280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{643}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 519383424

約数和(自身を除く): 324580144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 541, 560, 643, 1082, 1286, 2164, 2572, 2705, 3215, 3787, 4328, 4501, 5144, 5410, 6430, 7574, 8656, 9002, 10288, 10820, 12860, 15148, 18004, 18935, 21640, 22505, 25720, 30296, 36008, 37870, 43280, 45010, 51440, 60592, 72016, 75740, 90020, 151480, 180040, 302960, 347863, 360080, 695726, 1391452, 1739315, 2435041, 2782904, 3478630, 4870082, 5565808, 6957260, 9740164, 12175205, 13914520, 19480328, 24350410, 27829040, 38960656, 48700820, 97401640, 194803280]

約数ペア:

[(1, 194803280), (2, 97401640), (4, 48700820), (5, 38960656), (7, 27829040), (8, 24350410), (10, 19480328), (14, 13914520), (16, 12175205), (20, 9740164), (28, 6957260), (35, 5565808), (40, 4870082), (56, 3478630), (70, 2782904), (80, 2435041), (112, 1739315), (140, 1391452), (280, 695726), (541, 360080), (560, 347863), (643, 302960), (1082, 180040), (1286, 151480), (2164, 90020), (2572, 75740), (2705, 72016), (3215, 60592), (3787, 51440), (4328, 45010), (4501, 43280), (5144, 37870), (5410, 36008), (6430, 30296), (7574, 25720), (8656, 22505), (9002, 21640), (10288, 18935), (10820, 18004), (12860, 15148)]