129123380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{280703}}^1$

素因数の和:280735

約数の個数: 24

約数和(自身を含む): 282949632

約数和(自身を除く): 153826252

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 280703, 561406, 1122812, 1403515, 2807030, 5614060, 6456169, 12912338, 25824676, 32280845, 64561690, 129123380]

約数ペア:

[(1, 129123380), (2, 64561690), (4, 32280845), (5, 25824676), (10, 12912338), (20, 6456169), (23, 5614060), (46, 2807030), (92, 1403515), (115, 1122812), (230, 561406), (460, 280703)]