208045040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{371509}}^1$

素因数の和:371529

約数の個数: 40

約数和(自身を含む): 552806880

約数和(自身を除く): 344761840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 371509, 743018, 1486036, 1857545, 2600563, 2972072, 3715090, 5201126, 5944144, 7430180, 10402252, 13002815, 14860360, 20804504, 26005630, 29720720, 41609008, 52011260, 104022520, 208045040]

約数ペア:

[(1, 208045040), (2, 104022520), (4, 52011260), (5, 41609008), (7, 29720720), (8, 26005630), (10, 20804504), (14, 14860360), (16, 13002815), (20, 10402252), (28, 7430180), (35, 5944144), (40, 5201126), (56, 3715090), (70, 2972072), (80, 2600563), (112, 1857545), (140, 1486036), (280, 743018), (560, 371509)]