280449904

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{12583}}^1$

素因数の和:12797

約数の個数: 40

約数和(自身を含む): 624166400

約数和(自身を除く): 343716496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 3184, 5572, 11144, 12583, 22288, 25166, 50332, 88081, 100664, 176162, 201328, 352324, 704648, 1409296, 2504017, 5008034, 10016068, 17528119, 20032136, 35056238, 40064272, 70112476, 140224952, 280449904]

約数ペア:

[(1, 280449904), (2, 140224952), (4, 70112476), (7, 40064272), (8, 35056238), (14, 20032136), (16, 17528119), (28, 10016068), (56, 5008034), (112, 2504017), (199, 1409296), (398, 704648), (796, 352324), (1393, 201328), (1592, 176162), (2786, 100664), (3184, 88081), (5572, 50332), (11144, 25166), (12583, 22288)]