99999470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1873}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 190248480

約数和(自身を除く): 90249010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 281, 562, 1405, 1873, 2810, 3746, 5339, 9365, 10678, 18730, 26695, 35587, 53390, 71174, 177935, 355870, 526313, 1052626, 2631565, 5263130, 9999947, 19999894, 49999735, 99999470]

約数ペア:

[(1, 99999470), (2, 49999735), (5, 19999894), (10, 9999947), (19, 5263130), (38, 2631565), (95, 1052626), (190, 526313), (281, 355870), (562, 177935), (1405, 71174), (1873, 53390), (2810, 35587), (3746, 26695), (5339, 18730), (9365, 10678)]