205695280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367313}}^1$

素因数の和:367333

約数の個数: 40

約数和(自身を含む): 546563232

約数和(自身を除く): 340867952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 367313, 734626, 1469252, 1836565, 2571191, 2938504, 3673130, 5142382, 5877008, 7346260, 10284764, 12855955, 14692520, 20569528, 25711910, 29385040, 41139056, 51423820, 102847640, 205695280]

約数ペア:

[(1, 205695280), (2, 102847640), (4, 51423820), (5, 41139056), (7, 29385040), (8, 25711910), (10, 20569528), (14, 14692520), (16, 12855955), (20, 10284764), (28, 7346260), (35, 5877008), (40, 5142382), (56, 3673130), (70, 2938504), (80, 2571191), (112, 1836565), (140, 1469252), (280, 734626), (560, 367313)]