306916540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2192261}}^1$

素因数の和:2192277

約数の個数: 24

約数和(自身を含む): 736600032

約数和(自身を除く): 429683492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2192261, 4384522, 8769044, 10961305, 15345827, 21922610, 30691654, 43845220, 61383308, 76729135, 153458270, 306916540]

約数ペア:

[(1, 306916540), (2, 153458270), (4, 76729135), (5, 61383308), (7, 43845220), (10, 30691654), (14, 21922610), (20, 15345827), (28, 10961305), (35, 8769044), (70, 4384522), (140, 2192261)]