3957730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 8532216

約数和(自身を除く): 4574486

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 197, 205, 245, 287, 394, 410, 490, 574, 985, 1379, 1435, 1970, 2009, 2758, 2870, 4018, 6895, 8077, 9653, 10045, 13790, 16154, 19306, 20090, 40385, 48265, 56539, 80770, 96530, 113078, 282695, 395773, 565390, 791546, 1978865, 3957730]

約数ペア:

[(1, 3957730), (2, 1978865), (5, 791546), (7, 565390), (10, 395773), (14, 282695), (35, 113078), (41, 96530), (49, 80770), (70, 56539), (82, 48265), (98, 40385), (197, 20090), (205, 19306), (245, 16154), (287, 13790), (394, 10045), (410, 9653), (490, 8077), (574, 6895), (985, 4018), (1379, 2870), (1435, 2758), (1970, 2009)]