206237500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{2357}}^1$

素因数の和:2393

約数の個数: 72

約数和(自身を含む): 515779488

約数和(自身を除く): 309541988

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, 2357, 2500, 3125, 3500, 4375, 4714, 6250, 8750, 9428, 11785, 12500, 16499, 17500, 21875, 23570, 32998, 43750, 47140, 58925, 65996, 82495, 87500, 117850, 164990, 235700, 294625, 329980, 412475, 589250, 824950, 1178500, 1473125, 1649900, 2062375, 2946250, 4124750, 5892500, 7365625, 8249500, 10311875, 14731250, 20623750, 29462500, 41247500, 51559375, 103118750, 206237500]

約数ペア:

[(1, 206237500), (2, 103118750), (4, 51559375), (5, 41247500), (7, 29462500), (10, 20623750), (14, 14731250), (20, 10311875), (25, 8249500), (28, 7365625), (35, 5892500), (50, 4124750), (70, 2946250), (100, 2062375), (125, 1649900), (140, 1473125), (175, 1178500), (250, 824950), (350, 589250), (500, 412475), (625, 329980), (700, 294625), (875, 235700), (1250, 164990), (1750, 117850), (2357, 87500), (2500, 82495), (3125, 65996), (3500, 58925), (4375, 47140), (4714, 43750), (6250, 32998), (8750, 23570), (9428, 21875), (11785, 17500), (12500, 16499)]