28237600

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:818

約数の個数: 72

約数和(自身を含む): 70495488

約数和(自身を除く): 42257888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 160, 188, 200, 235, 376, 400, 470, 751, 752, 800, 940, 1175, 1502, 1504, 1880, 2350, 3004, 3755, 3760, 4700, 6008, 7510, 7520, 9400, 12016, 15020, 18775, 18800, 24032, 30040, 35297, 37550, 37600, 60080, 70594, 75100, 120160, 141188, 150200, 176485, 282376, 300400, 352970, 564752, 600800, 705940, 882425, 1129504, 1411880, 1764850, 2823760, 3529700, 5647520, 7059400, 14118800, 28237600]

約数ペア:

[(1, 28237600), (2, 14118800), (4, 7059400), (5, 5647520), (8, 3529700), (10, 2823760), (16, 1764850), (20, 1411880), (25, 1129504), (32, 882425), (40, 705940), (47, 600800), (50, 564752), (80, 352970), (94, 300400), (100, 282376), (160, 176485), (188, 150200), (200, 141188), (235, 120160), (376, 75100), (400, 70594), (470, 60080), (751, 37600), (752, 37550), (800, 35297), (940, 30040), (1175, 24032), (1502, 18800), (1504, 18775), (1880, 15020), (2350, 12016), (3004, 9400), (3755, 7520), (3760, 7510), (4700, 6008)]