740291225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 995174400

約数和(自身を除く): 254883175

約数列:

[1, 5, 23, 25, 43, 79, 115, 215, 379, 395, 575, 989, 1075, 1817, 1895, 1975, 3397, 4945, 8717, 9085, 9475, 16297, 16985, 24725, 29941, 43585, 45425, 78131, 81485, 84925, 149705, 217925, 374831, 390655, 407425, 688643, 748525, 1287463, 1874155, 1953275, 3443215, 6437315, 9370775, 17216075, 29611649, 32186575, 148058245, 740291225]

約数ペア:

[(1, 740291225), (5, 148058245), (23, 32186575), (25, 29611649), (43, 17216075), (79, 9370775), (115, 6437315), (215, 3443215), (379, 1953275), (395, 1874155), (575, 1287463), (989, 748525), (1075, 688643), (1817, 407425), (1895, 390655), (1975, 374831), (3397, 217925), (4945, 149705), (8717, 84925), (9085, 81485), (9475, 78131), (16297, 45425), (16985, 43585), (24725, 29941)]