217872050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20891

約数の個数: 48

約数和(自身を含む): 465372000

約数和(自身を除く): 247499950

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 10450, 20849, 41698, 104245, 208490, 229339, 396131, 458678, 521225, 792262, 1042450, 1146695, 1980655, 2293390, 3961310, 4357441, 5733475, 8714882, 9903275, 11466950, 19806550, 21787205, 43574410, 108936025, 217872050]

約数ペア:

[(1, 217872050), (2, 108936025), (5, 43574410), (10, 21787205), (11, 19806550), (19, 11466950), (22, 9903275), (25, 8714882), (38, 5733475), (50, 4357441), (55, 3961310), (95, 2293390), (110, 1980655), (190, 1146695), (209, 1042450), (275, 792262), (418, 521225), (475, 458678), (550, 396131), (950, 229339), (1045, 208490), (2090, 104245), (5225, 41698), (10450, 20849)]