208037480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{742991}}^1$

素因数の和:743009

約数の個数: 32

約数和(自身を含む): 534954240

約数和(自身を除く): 326916760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 742991, 1485982, 2971964, 3714955, 5200937, 5943928, 7429910, 10401874, 14859820, 20803748, 26004685, 29719640, 41607496, 52009370, 104018740, 208037480]

約数ペア:

[(1, 208037480), (2, 104018740), (4, 52009370), (5, 41607496), (7, 29719640), (8, 26004685), (10, 20803748), (14, 14859820), (20, 10401874), (28, 7429910), (35, 5943928), (40, 5200937), (56, 3714955), (70, 2971964), (140, 1485982), (280, 742991)]