140365470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{668407}}^1$

素因数の和:668424

約数の個数: 32

約数和(自身を含む): 385003008

約数和(自身を除く): 244637538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 668407, 1336814, 2005221, 3342035, 4010442, 4678849, 6684070, 9357698, 10026105, 14036547, 20052210, 23394245, 28073094, 46788490, 70182735, 140365470]

約数ペア:

[(1, 140365470), (2, 70182735), (3, 46788490), (5, 28073094), (6, 23394245), (7, 20052210), (10, 14036547), (14, 10026105), (15, 9357698), (21, 6684070), (30, 4678849), (35, 4010442), (42, 3342035), (70, 2005221), (105, 1336814), (210, 668407)]