204498670

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{51511}}^1$

素因数の和:51915

約数の個数: 16

約数和(自身を含む): 369031968

約数和(自身を除く): 164533298

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 51511, 103022, 257555, 515110, 20449867, 40899734, 102249335, 204498670]

約数ペア:

[(1, 204498670), (2, 102249335), (5, 40899734), (10, 20449867), (397, 515110), (794, 257555), (1985, 103022), (3970, 51511)]