855814900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 1897656320

約数和(自身を除く): 1041841420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 127, 158, 254, 316, 395, 508, 635, 790, 853, 1270, 1580, 1706, 1975, 2540, 3175, 3412, 3950, 4265, 6350, 7900, 8530, 10033, 12700, 17060, 20066, 21325, 40132, 42650, 50165, 67387, 85300, 100330, 108331, 134774, 200660, 216662, 250825, 269548, 336935, 433324, 501650, 541655, 673870, 1003300, 1083310, 1347740, 1684675, 2166620, 2708275, 3369350, 5416550, 6738700, 8558149, 10833100, 17116298, 34232596, 42790745, 85581490, 171162980, 213953725, 427907450, 855814900]

約数ペア:

[(1, 855814900), (2, 427907450), (4, 213953725), (5, 171162980), (10, 85581490), (20, 42790745), (25, 34232596), (50, 17116298), (79, 10833100), (100, 8558149), (127, 6738700), (158, 5416550), (254, 3369350), (316, 2708275), (395, 2166620), (508, 1684675), (635, 1347740), (790, 1083310), (853, 1003300), (1270, 673870), (1580, 541655), (1706, 501650), (1975, 433324), (2540, 336935), (3175, 269548), (3412, 250825), (3950, 216662), (4265, 200660), (6350, 134774), (7900, 108331), (8530, 100330), (10033, 85300), (12700, 67387), (17060, 50165), (20066, 42650), (21325, 40132)]