3920420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 9652608

約数和(自身を除く): 5732188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 683, 820, 1148, 1366, 1435, 2732, 2870, 3415, 4781, 5740, 6830, 9562, 13660, 19124, 23905, 28003, 47810, 56006, 95620, 112012, 140015, 196021, 280030, 392042, 560060, 784084, 980105, 1960210, 3920420]

約数ペア:

[(1, 3920420), (2, 1960210), (4, 980105), (5, 784084), (7, 560060), (10, 392042), (14, 280030), (20, 196021), (28, 140015), (35, 112012), (41, 95620), (70, 56006), (82, 47810), (140, 28003), (164, 23905), (205, 19124), (287, 13660), (410, 9562), (574, 6830), (683, 5740), (820, 4781), (1148, 3415), (1366, 2870), (1435, 2732)]