211937680

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{4057}}^1$

素因数の和:4723

約数の個数: 40

約数和(自身を含む): 493631352

約数和(自身を除く): 281693672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 4057, 5224, 6530, 8114, 10448, 13060, 16228, 20285, 26120, 32456, 40570, 52240, 64912, 81140, 162280, 324560, 2649221, 5298442, 10596884, 13246105, 21193768, 26492210, 42387536, 52984420, 105968840, 211937680]

約数ペア:

[(1, 211937680), (2, 105968840), (4, 52984420), (5, 42387536), (8, 26492210), (10, 21193768), (16, 13246105), (20, 10596884), (40, 5298442), (80, 2649221), (653, 324560), (1306, 162280), (2612, 81140), (3265, 64912), (4057, 52240), (5224, 40570), (6530, 32456), (8114, 26120), (10448, 20285), (13060, 16228)]