2020522070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{739}}^1$

素因数の和:1173

約数の個数: 64

約数和(自身を含む): 4206988800

約数和(自身を除く): 2186466730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 281, 562, 695, 739, 973, 1390, 1405, 1478, 1946, 1967, 2810, 3695, 3934, 4865, 5173, 7390, 9730, 9835, 10346, 19670, 25865, 39059, 51730, 78118, 102721, 195295, 205442, 207659, 273413, 390590, 415318, 513605, 546826, 719047, 1027210, 1038295, 1367065, 1438094, 1453613, 2076590, 2734130, 2907226, 3595235, 7190470, 7268065, 14536130, 28864601, 57729202, 144323005, 202052207, 288646010, 404104414, 1010261035, 2020522070]

約数ペア:

[(1, 2020522070), (2, 1010261035), (5, 404104414), (7, 288646010), (10, 202052207), (14, 144323005), (35, 57729202), (70, 28864601), (139, 14536130), (278, 7268065), (281, 7190470), (562, 3595235), (695, 2907226), (739, 2734130), (973, 2076590), (1390, 1453613), (1405, 1438094), (1478, 1367065), (1946, 1038295), (1967, 1027210), (2810, 719047), (3695, 546826), (3934, 513605), (4865, 415318), (5173, 390590), (7390, 273413), (9730, 207659), (9835, 205442), (10346, 195295), (19670, 102721), (25865, 78118), (39059, 51730)]