39971260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40787}}^1$

素因数の和:40810

約数の個数: 36

約数和(自身を含む): 97646472

約数和(自身を除く): 57675212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40787, 81574, 163148, 203935, 285509, 407870, 571018, 815740, 1142036, 1427545, 1998563, 2855090, 3997126, 5710180, 7994252, 9992815, 19985630, 39971260]

約数ペア:

[(1, 39971260), (2, 19985630), (4, 9992815), (5, 7994252), (7, 5710180), (10, 3997126), (14, 2855090), (20, 1998563), (28, 1427545), (35, 1142036), (49, 815740), (70, 571018), (98, 407870), (140, 285509), (196, 203935), (245, 163148), (490, 81574), (980, 40787)]