28984750

素因数分解:

$2^1\times 5^3\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 54587520

約数和(自身を除く): 25602770

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 269, 431, 538, 862, 1345, 2155, 2690, 4310, 6725, 10775, 13450, 21550, 33625, 53875, 67250, 107750, 115939, 231878, 579695, 1159390, 2898475, 5796950, 14492375, 28984750]

約数ペア:

[(1, 28984750), (2, 14492375), (5, 5796950), (10, 2898475), (25, 1159390), (50, 579695), (125, 231878), (250, 115939), (269, 107750), (431, 67250), (538, 53875), (862, 33625), (1345, 21550), (2155, 13450), (2690, 10775), (4310, 6725)]