68940400

素因数分解:

$2^4\times 5^2\times {\mathrm{172351}}^1$

素因数の和:172369

約数の個数: 30

約数和(自身を含む): 165630272

約数和(自身を除く): 96689872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 172351, 344702, 689404, 861755, 1378808, 1723510, 2757616, 3447020, 4308775, 6894040, 8617550, 13788080, 17235100, 34470200, 68940400]

約数ペア:

[(1, 68940400), (2, 34470200), (4, 17235100), (5, 13788080), (8, 8617550), (10, 6894040), (16, 4308775), (20, 3447020), (25, 2757616), (40, 1723510), (50, 1378808), (80, 861755), (100, 689404), (200, 344702), (400, 172351)]