22180550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 47616000

約数和(自身を除く): 25435450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 127, 175, 254, 350, 499, 635, 889, 998, 1270, 1778, 2495, 3175, 3493, 4445, 4990, 6350, 6986, 8890, 12475, 17465, 22225, 24950, 34930, 44450, 63373, 87325, 126746, 174650, 316865, 443611, 633730, 887222, 1584325, 2218055, 3168650, 4436110, 11090275, 22180550]

約数ペア:

[(1, 22180550), (2, 11090275), (5, 4436110), (7, 3168650), (10, 2218055), (14, 1584325), (25, 887222), (35, 633730), (50, 443611), (70, 316865), (127, 174650), (175, 126746), (254, 87325), (350, 63373), (499, 44450), (635, 34930), (889, 24950), (998, 22225), (1270, 17465), (1778, 12475), (2495, 8890), (3175, 6986), (3493, 6350), (4445, 4990)]