2016168980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{21787}}^1$

素因数の和:22464

約数の個数: 48

約数和(自身を含む): 4846348416

約数和(自身を除く): 2830179436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 2644, 3305, 4627, 6610, 9254, 13220, 18508, 21787, 23135, 43574, 46270, 87148, 92540, 108935, 152509, 217870, 305018, 435740, 610036, 762545, 1525090, 3050180, 14401207, 28802414, 57604828, 72006035, 100808449, 144012070, 201616898, 288024140, 403233796, 504042245, 1008084490, 2016168980]

約数ペア:

[(1, 2016168980), (2, 1008084490), (4, 504042245), (5, 403233796), (7, 288024140), (10, 201616898), (14, 144012070), (20, 100808449), (28, 72006035), (35, 57604828), (70, 28802414), (140, 14401207), (661, 3050180), (1322, 1525090), (2644, 762545), (3305, 610036), (4627, 435740), (6610, 305018), (9254, 217870), (13220, 152509), (18508, 108935), (21787, 92540), (23135, 87148), (43574, 46270)]