57245860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21521}}^1$

素因数の和:21556

約数の個数: 48

約数和(自身を含む): 144627840

約数和(自身を除く): 87381980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 21521, 43042, 86084, 107605, 150647, 215210, 301294, 408899, 430420, 602588, 753235, 817798, 1506470, 1635596, 2044495, 2862293, 3012940, 4088990, 5724586, 8177980, 11449172, 14311465, 28622930, 57245860]

約数ペア:

[(1, 57245860), (2, 28622930), (4, 14311465), (5, 11449172), (7, 8177980), (10, 5724586), (14, 4088990), (19, 3012940), (20, 2862293), (28, 2044495), (35, 1635596), (38, 1506470), (70, 817798), (76, 753235), (95, 602588), (133, 430420), (140, 408899), (190, 301294), (266, 215210), (380, 150647), (532, 107605), (665, 86084), (1330, 43042), (2660, 21521)]