128350180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{916787}}^1$

素因数の和:916803

約数の個数: 24

約数和(自身を含む): 308040768

約数和(自身を除く): 179690588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 916787, 1833574, 3667148, 4583935, 6417509, 9167870, 12835018, 18335740, 25670036, 32087545, 64175090, 128350180]

約数ペア:

[(1, 128350180), (2, 64175090), (4, 32087545), (5, 25670036), (7, 18335740), (10, 12835018), (14, 9167870), (20, 6417509), (28, 4583935), (35, 3667148), (70, 1833574), (140, 916787)]