397408060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2838629}}^1$

素因数の和:2838645

約数の個数: 24

約数和(自身を含む): 953779680

約数和(自身を除く): 556371620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2838629, 5677258, 11354516, 14193145, 19870403, 28386290, 39740806, 56772580, 79481612, 99352015, 198704030, 397408060]

約数ペア:

[(1, 397408060), (2, 198704030), (4, 99352015), (5, 79481612), (7, 56772580), (10, 39740806), (14, 28386290), (20, 19870403), (28, 14193145), (35, 11354516), (70, 5677258), (140, 2838629)]