248804080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{444293}}^1$

素因数の和:444313

約数の個数: 40

約数和(自身を含む): 661109472

約数和(自身を除く): 412305392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 444293, 888586, 1777172, 2221465, 3110051, 3554344, 4442930, 6220102, 7108688, 8885860, 12440204, 15550255, 17771720, 24880408, 31100510, 35543440, 49760816, 62201020, 124402040, 248804080]

約数ペア:

[(1, 248804080), (2, 124402040), (4, 62201020), (5, 49760816), (7, 35543440), (8, 31100510), (10, 24880408), (14, 17771720), (16, 15550255), (20, 12440204), (28, 8885860), (35, 7108688), (40, 6220102), (56, 4442930), (70, 3554344), (80, 3110051), (112, 2221465), (140, 1777172), (280, 888586), (560, 444293)]