201212210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{254699}}^1$

素因数の和:254785

約数の個数: 16

約数和(自身を含む): 366768000

約数和(自身を除く): 165555790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 254699, 509398, 1273495, 2546990, 20121221, 40242442, 100606105, 201212210]

約数ペア:

[(1, 201212210), (2, 100606105), (5, 40242442), (10, 20121221), (79, 2546990), (158, 1273495), (395, 509398), (790, 254699)]