42000980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{300007}}^1$

素因数の和:300023

約数の個数: 24

約数和(自身を含む): 100802688

約数和(自身を除く): 58801708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 300007, 600014, 1200028, 1500035, 2100049, 3000070, 4200098, 6000140, 8400196, 10500245, 21000490, 42000980]

約数ペア:

[(1, 42000980), (2, 21000490), (4, 10500245), (5, 8400196), (7, 6000140), (10, 4200098), (14, 3000070), (20, 2100049), (28, 1500035), (35, 1200028), (70, 600014), (140, 300007)]