208022500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{11887}}^1$

素因数の和:11918

約数の個数: 60

約数和(自身を含む): 519933568

約数和(自身を除く): 311911068

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, 3500, 4375, 8750, 11887, 17500, 23774, 47548, 59435, 83209, 118870, 166418, 237740, 297175, 332836, 416045, 594350, 832090, 1188700, 1485875, 1664180, 2080225, 2971750, 4160450, 5943500, 7429375, 8320900, 10401125, 14858750, 20802250, 29717500, 41604500, 52005625, 104011250, 208022500]

約数ペア:

[(1, 208022500), (2, 104011250), (4, 52005625), (5, 41604500), (7, 29717500), (10, 20802250), (14, 14858750), (20, 10401125), (25, 8320900), (28, 7429375), (35, 5943500), (50, 4160450), (70, 2971750), (100, 2080225), (125, 1664180), (140, 1485875), (175, 1188700), (250, 832090), (350, 594350), (500, 416045), (625, 332836), (700, 297175), (875, 237740), (1250, 166418), (1750, 118870), (2500, 83209), (3500, 59435), (4375, 47548), (8750, 23774), (11887, 17500)]