260178968

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 576384000

約数和(自身を除く): 316205032

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 199, 259, 296, 398, 518, 631, 796, 1036, 1262, 1393, 1592, 2072, 2524, 2786, 4417, 5048, 5572, 7363, 8834, 11144, 14726, 17668, 23347, 29452, 35336, 46694, 51541, 58904, 93388, 103082, 125569, 163429, 186776, 206164, 251138, 326858, 412328, 502276, 653716, 878983, 1004552, 1307432, 1757966, 3515932, 4646053, 7031864, 9292106, 18584212, 32522371, 37168424, 65044742, 130089484, 260178968]

約数ペア:

[(1, 260178968), (2, 130089484), (4, 65044742), (7, 37168424), (8, 32522371), (14, 18584212), (28, 9292106), (37, 7031864), (56, 4646053), (74, 3515932), (148, 1757966), (199, 1307432), (259, 1004552), (296, 878983), (398, 653716), (518, 502276), (631, 412328), (796, 326858), (1036, 251138), (1262, 206164), (1393, 186776), (1592, 163429), (2072, 125569), (2524, 103082), (2786, 93388), (4417, 58904), (5048, 51541), (5572, 46694), (7363, 35336), (8834, 29452), (11144, 23347), (14726, 17668)]