1991100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{6637}}^1$

素因数の和:6654

約数の個数: 36

約数和(自身を含む): 5761784

約数和(自身を除く): 3770684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 6637, 13274, 19911, 26548, 33185, 39822, 66370, 79644, 99555, 132740, 165925, 199110, 331850, 398220, 497775, 663700, 995550, 1991100]

約数ペア:

[(1, 1991100), (2, 995550), (3, 663700), (4, 497775), (5, 398220), (6, 331850), (10, 199110), (12, 165925), (15, 132740), (20, 99555), (25, 79644), (30, 66370), (50, 39822), (60, 33185), (75, 26548), (100, 19911), (150, 13274), (300, 6637)]