17948200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 42720480

約数和(自身を除く): 24772280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2087, 2150, 4174, 4300, 8348, 8600, 10435, 16696, 20870, 41740, 52175, 83480, 89741, 104350, 179482, 208700, 358964, 417400, 448705, 717928, 897410, 1794820, 2243525, 3589640, 4487050, 8974100, 17948200]

約数ペア:

[(1, 17948200), (2, 8974100), (4, 4487050), (5, 3589640), (8, 2243525), (10, 1794820), (20, 897410), (25, 717928), (40, 448705), (43, 417400), (50, 358964), (86, 208700), (100, 179482), (172, 104350), (200, 89741), (215, 83480), (344, 52175), (430, 41740), (860, 20870), (1075, 16696), (1720, 10435), (2087, 8600), (2150, 8348), (4174, 4300)]