9781714180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{9981341}}^1$

素因数の和:9981364

約数の個数: 36

約数和(自身を含む): 23895332748

約数和(自身を除く): 14113618568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 9981341, 19962682, 39925364, 49906705, 69869387, 99813410, 139738774, 199626820, 279477548, 349346935, 489085709, 698693870, 978171418, 1397387740, 1956342836, 2445428545, 4890857090, 9781714180]

約数ペア:

[(1, 9781714180), (2, 4890857090), (4, 2445428545), (5, 1956342836), (7, 1397387740), (10, 978171418), (14, 698693870), (20, 489085709), (28, 349346935), (35, 279477548), (49, 199626820), (70, 139738774), (98, 99813410), (140, 69869387), (196, 49906705), (245, 39925364), (490, 19962682), (980, 9981341)]