81674180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83341}}^1$

素因数の和:83364

約数の個数: 36

約数和(自身を含む): 199520748

約数和(自身を除く): 117846568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 83341, 166682, 333364, 416705, 583387, 833410, 1166774, 1666820, 2333548, 2916935, 4083709, 5833870, 8167418, 11667740, 16334836, 20418545, 40837090, 81674180]

約数ペア:

[(1, 81674180), (2, 40837090), (4, 20418545), (5, 16334836), (7, 11667740), (10, 8167418), (14, 5833870), (20, 4083709), (28, 2916935), (35, 2333548), (49, 1666820), (70, 1166774), (98, 833410), (140, 583387), (196, 416705), (245, 333364), (490, 166682), (980, 83341)]