28236740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28813}}^1$

素因数の和:28836

約数の個数: 36

約数和(自身を含む): 68980716

約数和(自身を除く): 40743976

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28813, 57626, 115252, 144065, 201691, 288130, 403382, 576260, 806764, 1008455, 1411837, 2016910, 2823674, 4033820, 5647348, 7059185, 14118370, 28236740]

約数ペア:

[(1, 28236740), (2, 14118370), (4, 7059185), (5, 5647348), (7, 4033820), (10, 2823674), (14, 2016910), (20, 1411837), (28, 1008455), (35, 806764), (49, 576260), (70, 403382), (98, 288130), (140, 201691), (196, 144065), (245, 115252), (490, 57626), (980, 28813)]