1757509780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{17377}}^1$

素因数の和:17788

約数の個数: 48

約数和(自身を含む): 3985122960

約数和(自身を除く): 2227613180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1556, 1945, 3890, 5057, 7780, 10114, 17377, 20228, 25285, 34754, 50570, 69508, 86885, 101140, 173770, 225901, 347540, 451802, 903604, 1129505, 2259010, 4518020, 6759653, 13519306, 27038612, 33798265, 67596530, 87875489, 135193060, 175750978, 351501956, 439377445, 878754890, 1757509780]

約数ペア:

[(1, 1757509780), (2, 878754890), (4, 439377445), (5, 351501956), (10, 175750978), (13, 135193060), (20, 87875489), (26, 67596530), (52, 33798265), (65, 27038612), (130, 13519306), (260, 6759653), (389, 4518020), (778, 2259010), (1556, 1129505), (1945, 903604), (3890, 451802), (5057, 347540), (7780, 225901), (10114, 173770), (17377, 101140), (20228, 86885), (25285, 69508), (34754, 50570)]