209361410

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21169}}^1$

素因数の和:21242

約数の個数: 32

約数和(自身を含む): 402399360

約数和(自身を除く): 193037950

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 21169, 42338, 105845, 211690, 486887, 910267, 973774, 1820534, 2434435, 4551335, 4868870, 9102670, 20936141, 41872282, 104680705, 209361410]

約数ペア:

[(1, 209361410), (2, 104680705), (5, 41872282), (10, 20936141), (23, 9102670), (43, 4868870), (46, 4551335), (86, 2434435), (115, 1820534), (215, 973774), (230, 910267), (430, 486887), (989, 211690), (1978, 105845), (4945, 42338), (9890, 21169)]