68861200

素因数分解:

$2^4\times 5^2\times {\mathrm{172153}}^1$

素因数の和:172171

約数の個数: 30

約数和(自身を含む): 165439994

約数和(自身を除く): 96578794

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 172153, 344306, 688612, 860765, 1377224, 1721530, 2754448, 3443060, 4303825, 6886120, 8607650, 13772240, 17215300, 34430600, 68861200]

約数ペア:

[(1, 68861200), (2, 34430600), (4, 17215300), (5, 13772240), (8, 8607650), (10, 6886120), (16, 4303825), (20, 3443060), (25, 2754448), (40, 1721530), (50, 1377224), (80, 860765), (100, 688612), (200, 344306), (400, 172153)]