520029580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{26723}}^1$

素因数の和:26878

約数の個数: 48

約数和(自身を含む): 1257096960

約数和(自身を除く): 737067380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 26723, 53446, 106892, 133615, 187061, 267230, 374122, 534460, 748244, 935305, 1870610, 3714497, 3741220, 7428994, 14857988, 18572485, 26001479, 37144970, 52002958, 74289940, 104005916, 130007395, 260014790, 520029580]

約数ペア:

[(1, 520029580), (2, 260014790), (4, 130007395), (5, 104005916), (7, 74289940), (10, 52002958), (14, 37144970), (20, 26001479), (28, 18572485), (35, 14857988), (70, 7428994), (139, 3741220), (140, 3714497), (278, 1870610), (556, 935305), (695, 748244), (973, 534460), (1390, 374122), (1946, 267230), (2780, 187061), (3892, 133615), (4865, 106892), (9730, 53446), (19460, 26723)]