263886140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1884901}}^1$

素因数の和:1884917

約数の個数: 24

約数和(自身を含む): 633327072

約数和(自身を除く): 369440932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1884901, 3769802, 7539604, 9424505, 13194307, 18849010, 26388614, 37698020, 52777228, 65971535, 131943070, 263886140]

約数ペア:

[(1, 263886140), (2, 131943070), (4, 65971535), (5, 52777228), (7, 37698020), (10, 26388614), (14, 18849010), (20, 13194307), (28, 9424505), (35, 7539604), (70, 3769802), (140, 1884901)]