13800500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{3943}}^1$

素因数の和:3969

約数の個数: 48

約数和(自身を含む): 34454784

約数和(自身を除く): 20654284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 3943, 7886, 15772, 19715, 27601, 39430, 55202, 78860, 98575, 110404, 138005, 197150, 276010, 394300, 492875, 552020, 690025, 985750, 1380050, 1971500, 2760100, 3450125, 6900250, 13800500]

約数ペア:

[(1, 13800500), (2, 6900250), (4, 3450125), (5, 2760100), (7, 1971500), (10, 1380050), (14, 985750), (20, 690025), (25, 552020), (28, 492875), (35, 394300), (50, 276010), (70, 197150), (100, 138005), (125, 110404), (140, 98575), (175, 78860), (250, 55202), (350, 39430), (500, 27601), (700, 19715), (875, 15772), (1750, 7886), (3500, 3943)]