28165900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{40237}}^1$

素因数の和:40258

約数の個数: 36

約数和(自身を含む): 69853168

約数和(自身を除く): 41687268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 40237, 80474, 160948, 201185, 281659, 402370, 563318, 804740, 1005925, 1126636, 1408295, 2011850, 2816590, 4023700, 5633180, 7041475, 14082950, 28165900]

約数ペア:

[(1, 28165900), (2, 14082950), (4, 7041475), (5, 5633180), (7, 4023700), (10, 2816590), (14, 2011850), (20, 1408295), (25, 1126636), (28, 1005925), (35, 804740), (50, 563318), (70, 402370), (100, 281659), (140, 201185), (175, 160948), (350, 80474), (700, 40237)]