199970140

素因数分解:

$2^2\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{4217}}^1$

素因数の和:6597

約数の個数: 24

約数和(自身を含む): 420214032

約数和(自身を除く): 220243892

約数列:

[1, 2, 4, 5, 10, 20, 2371, 4217, 4742, 8434, 9484, 11855, 16868, 21085, 23710, 42170, 47420, 84340, 9998507, 19997014, 39994028, 49992535, 99985070, 199970140]

約数ペア:

[(1, 199970140), (2, 99985070), (4, 49992535), (5, 39994028), (10, 19997014), (20, 9998507), (2371, 84340), (4217, 47420), (4742, 42170), (8434, 23710), (9484, 21085), (11855, 16868)]