199664360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1109}}^1$

素因数の和:1770

約数の個数: 64

約数和(自身を含む): 514684800

約数和(自身を除く): 315020440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 643, 1109, 1286, 2218, 2572, 3215, 4436, 4501, 5144, 5545, 6430, 7763, 8872, 9002, 11090, 12860, 15526, 18004, 22180, 22505, 25720, 31052, 36008, 38815, 44360, 45010, 62104, 77630, 90020, 155260, 180040, 310520, 713087, 1426174, 2852348, 3565435, 4991609, 5704696, 7130870, 9983218, 14261740, 19966436, 24958045, 28523480, 39932872, 49916090, 99832180, 199664360]

約数ペア:

[(1, 199664360), (2, 99832180), (4, 49916090), (5, 39932872), (7, 28523480), (8, 24958045), (10, 19966436), (14, 14261740), (20, 9983218), (28, 7130870), (35, 5704696), (40, 4991609), (56, 3565435), (70, 2852348), (140, 1426174), (280, 713087), (643, 310520), (1109, 180040), (1286, 155260), (2218, 90020), (2572, 77630), (3215, 62104), (4436, 45010), (4501, 44360), (5144, 38815), (5545, 36008), (6430, 31052), (7763, 25720), (8872, 22505), (9002, 22180), (11090, 18004), (12860, 15526)]