90707260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647909}}^1$

素因数の和:647925

約数の個数: 24

約数和(自身を含む): 217697760

約数和(自身を除く): 126990500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647909, 1295818, 2591636, 3239545, 4535363, 6479090, 9070726, 12958180, 18141452, 22676815, 45353630, 90707260]

約数ペア:

[(1, 90707260), (2, 45353630), (4, 22676815), (5, 18141452), (7, 12958180), (10, 9070726), (14, 6479090), (20, 4535363), (28, 3239545), (35, 2591636), (70, 1295818), (140, 647909)]