338800840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1210003}}^1$

素因数の和:1210021

約数の個数: 32

約数和(自身を含む): 871202880

約数和(自身を除く): 532402040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1210003, 2420006, 4840012, 6050015, 8470021, 9680024, 12100030, 16940042, 24200060, 33880084, 42350105, 48400120, 67760168, 84700210, 169400420, 338800840]

約数ペア:

[(1, 338800840), (2, 169400420), (4, 84700210), (5, 67760168), (7, 48400120), (8, 42350105), (10, 33880084), (14, 24200060), (20, 16940042), (28, 12100030), (35, 9680024), (40, 8470021), (56, 6050015), (70, 4840012), (140, 2420006), (280, 1210003)]