8915900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 22665216

約数和(自身を除く): 13749316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 271, 329, 350, 470, 542, 658, 700, 940, 1084, 1175, 1316, 1355, 1645, 1897, 2350, 2710, 3290, 3794, 4700, 5420, 6580, 6775, 7588, 8225, 9485, 12737, 13550, 16450, 18970, 25474, 27100, 32900, 37940, 47425, 50948, 63685, 89159, 94850, 127370, 178318, 189700, 254740, 318425, 356636, 445795, 636850, 891590, 1273700, 1783180, 2228975, 4457950, 8915900]

約数ペア:

[(1, 8915900), (2, 4457950), (4, 2228975), (5, 1783180), (7, 1273700), (10, 891590), (14, 636850), (20, 445795), (25, 356636), (28, 318425), (35, 254740), (47, 189700), (50, 178318), (70, 127370), (94, 94850), (100, 89159), (140, 63685), (175, 50948), (188, 47425), (235, 37940), (271, 32900), (329, 27100), (350, 25474), (470, 18970), (542, 16450), (658, 13550), (700, 12737), (940, 9485), (1084, 8225), (1175, 7588), (1316, 6775), (1355, 6580), (1645, 5420), (1897, 4700), (2350, 3794), (2710, 3290)]