490991060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3507079}}^1$

素因数の和:3507095

約数の個数: 24

約数和(自身を含む): 1178378880

約数和(自身を除く): 687387820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3507079, 7014158, 14028316, 17535395, 24549553, 35070790, 49099106, 70141580, 98198212, 122747765, 245495530, 490991060]

約数ペア:

[(1, 490991060), (2, 245495530), (4, 122747765), (5, 98198212), (7, 70141580), (10, 49099106), (14, 35070790), (20, 24549553), (28, 17535395), (35, 14028316), (70, 7014158), (140, 3507079)]