211540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1511}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 508032

約数和(自身を除く): 296492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1511, 3022, 6044, 7555, 10577, 15110, 21154, 30220, 42308, 52885, 105770, 211540]

約数ペア:

[(1, 211540), (2, 105770), (4, 52885), (5, 42308), (7, 30220), (10, 21154), (14, 15110), (20, 10577), (28, 7555), (35, 6044), (70, 3022), (140, 1511)]