90650420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647503}}^1$

素因数の和:647519

約数の個数: 24

約数和(自身を含む): 217561344

約数和(自身を除く): 126910924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647503, 1295006, 2590012, 3237515, 4532521, 6475030, 9065042, 12950060, 18130084, 22662605, 45325210, 90650420]

約数ペア:

[(1, 90650420), (2, 45325210), (4, 22662605), (5, 18130084), (7, 12950060), (10, 9065042), (14, 6475030), (20, 4532521), (28, 3237515), (35, 2590012), (70, 1295006), (140, 647503)]