70721980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{505157}}^1$

素因数の和:505173

約数の個数: 24

約数和(自身を含む): 169733088

約数和(自身を除く): 99011108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 505157, 1010314, 2020628, 2525785, 3536099, 5051570, 7072198, 10103140, 14144396, 17680495, 35360990, 70721980]

約数ペア:

[(1, 70721980), (2, 35360990), (4, 17680495), (5, 14144396), (7, 10103140), (10, 7072198), (14, 5051570), (20, 3536099), (28, 2525785), (35, 2020628), (70, 1010314), (140, 505157)]