142975280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{255313}}^1$

素因数の和:255333

約数の個数: 40

約数和(自身を含む): 379907232

約数和(自身を除く): 236931952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 255313, 510626, 1021252, 1276565, 1787191, 2042504, 2553130, 3574382, 4085008, 5106260, 7148764, 8935955, 10212520, 14297528, 17871910, 20425040, 28595056, 35743820, 71487640, 142975280]

約数ペア:

[(1, 142975280), (2, 71487640), (4, 35743820), (5, 28595056), (7, 20425040), (8, 17871910), (10, 14297528), (14, 10212520), (16, 8935955), (20, 7148764), (28, 5106260), (35, 4085008), (40, 3574382), (56, 2553130), (70, 2042504), (80, 1787191), (112, 1276565), (140, 1021252), (280, 510626), (560, 255313)]