68685200

素因数分解:

$2^4\times 5^2\times {\mathrm{171713}}^1$

素因数の和:171731

約数の個数: 30

約数和(自身を含む): 165017154

約数和(自身を除く): 96331954

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 171713, 343426, 686852, 858565, 1373704, 1717130, 2747408, 3434260, 4292825, 6868520, 8585650, 13737040, 17171300, 34342600, 68685200]

約数ペア:

[(1, 68685200), (2, 34342600), (4, 17171300), (5, 13737040), (8, 8585650), (10, 6868520), (16, 4292825), (20, 3434260), (25, 2747408), (40, 1717130), (50, 1373704), (80, 858565), (100, 686852), (200, 343426), (400, 171713)]