201698980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1440707}}^1$

素因数の和:1440723

約数の個数: 24

約数和(自身を含む): 484077888

約数和(自身を除く): 282378908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1440707, 2881414, 5762828, 7203535, 10084949, 14407070, 20169898, 28814140, 40339796, 50424745, 100849490, 201698980]

約数ペア:

[(1, 201698980), (2, 100849490), (4, 50424745), (5, 40339796), (7, 28814140), (10, 20169898), (14, 14407070), (20, 10084949), (28, 7203535), (35, 5762828), (70, 2881414), (140, 1440707)]