51992500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{2971}}^1$

素因数の和:3002

約数の個数: 60

約数和(自身を含む): 129983392

約数和(自身を除く): 77990892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2500, 2971, 3500, 4375, 5942, 8750, 11884, 14855, 17500, 20797, 29710, 41594, 59420, 74275, 83188, 103985, 148550, 207970, 297100, 371375, 415940, 519925, 742750, 1039850, 1485500, 1856875, 2079700, 2599625, 3713750, 5199250, 7427500, 10398500, 12998125, 25996250, 51992500]

約数ペア:

[(1, 51992500), (2, 25996250), (4, 12998125), (5, 10398500), (7, 7427500), (10, 5199250), (14, 3713750), (20, 2599625), (25, 2079700), (28, 1856875), (35, 1485500), (50, 1039850), (70, 742750), (100, 519925), (125, 415940), (140, 371375), (175, 297100), (250, 207970), (350, 148550), (500, 103985), (625, 83188), (700, 74275), (875, 59420), (1250, 41594), (1750, 29710), (2500, 20797), (2971, 17500), (3500, 14855), (4375, 11884), (5942, 8750)]