209916970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{11353}}^1$

素因数の和:11446

約数の個数: 24

約数和(自身を含む): 386876196

約数和(自身を除く): 176959226

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 3698, 9245, 11353, 18490, 22706, 56765, 113530, 488179, 976358, 2440895, 4881790, 20991697, 41983394, 104958485, 209916970]

約数ペア:

[(1, 209916970), (2, 104958485), (5, 41983394), (10, 20991697), (43, 4881790), (86, 2440895), (215, 976358), (430, 488179), (1849, 113530), (3698, 56765), (9245, 22706), (11353, 18490)]