1720221188

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{15241}}^1$

素因数の和:15420

約数の個数: 48

約数和(自身を含む): 3584918400

約数和(自身を除く): 1864697212

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 139, 203, 278, 406, 556, 812, 973, 1946, 3892, 4031, 8062, 15241, 16124, 28217, 30482, 56434, 60964, 106687, 112868, 213374, 426748, 441989, 883978, 1767956, 2118499, 3093923, 4236998, 6187846, 8473996, 12375692, 14829493, 29658986, 59317972, 61436471, 122872942, 245745884, 430055297, 860110594, 1720221188]

約数ペア:

[(1, 1720221188), (2, 860110594), (4, 430055297), (7, 245745884), (14, 122872942), (28, 61436471), (29, 59317972), (58, 29658986), (116, 14829493), (139, 12375692), (203, 8473996), (278, 6187846), (406, 4236998), (556, 3093923), (812, 2118499), (973, 1767956), (1946, 883978), (3892, 441989), (4031, 426748), (8062, 213374), (15241, 112868), (16124, 106687), (28217, 60964), (30482, 56434)]