214950540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{511787}}^1$

素因数の和:511806

約数の個数: 48

約数和(自身を含む): 687843072

約数和(自身を除く): 472892532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 511787, 1023574, 1535361, 2047148, 2558935, 3070722, 3582509, 5117870, 6141444, 7165018, 7676805, 10235740, 10747527, 14330036, 15353610, 17912545, 21495054, 30707220, 35825090, 42990108, 53737635, 71650180, 107475270, 214950540]

約数ペア:

[(1, 214950540), (2, 107475270), (3, 71650180), (4, 53737635), (5, 42990108), (6, 35825090), (7, 30707220), (10, 21495054), (12, 17912545), (14, 15353610), (15, 14330036), (20, 10747527), (21, 10235740), (28, 7676805), (30, 7165018), (35, 6141444), (42, 5117870), (60, 3582509), (70, 3070722), (84, 2558935), (105, 2047148), (140, 1535361), (210, 1023574), (420, 511787)]