161826980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1155907}}^1$

素因数の和:1155923

約数の個数: 24

約数和(自身を含む): 388385088

約数和(自身を除く): 226558108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1155907, 2311814, 4623628, 5779535, 8091349, 11559070, 16182698, 23118140, 32365396, 40456745, 80913490, 161826980]

約数ペア:

[(1, 161826980), (2, 80913490), (4, 40456745), (5, 32365396), (7, 23118140), (10, 16182698), (14, 11559070), (20, 8091349), (28, 5779535), (35, 4623628), (70, 2311814), (140, 1155907)]