2008508740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{387743}}^1$

素因数の和:387796

約数の個数: 48

約数和(自身を含む): 4950715392

約数和(自身を除く): 2942206652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 387743, 775486, 1550972, 1938715, 2714201, 3877430, 5428402, 7754860, 10856804, 13571005, 14346491, 27142010, 28692982, 54284020, 57385964, 71732455, 100425437, 143464910, 200850874, 286929820, 401701748, 502127185, 1004254370, 2008508740]

約数ペア:

[(1, 2008508740), (2, 1004254370), (4, 502127185), (5, 401701748), (7, 286929820), (10, 200850874), (14, 143464910), (20, 100425437), (28, 71732455), (35, 57385964), (37, 54284020), (70, 28692982), (74, 27142010), (140, 14346491), (148, 13571005), (185, 10856804), (259, 7754860), (370, 5428402), (518, 3877430), (740, 2714201), (1036, 1938715), (1295, 1550972), (2590, 775486), (5180, 387743)]