163899380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20959}}^1$

素因数の和:21008

約数の個数: 48

約数和(自身を含む): 380298240

約数和(自身を除く): 216398860

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 20959, 41918, 83836, 104795, 209590, 356303, 419180, 482057, 712606, 964114, 1425212, 1781515, 1928228, 2410285, 3563030, 4820570, 7126060, 8194969, 9641140, 16389938, 32779876, 40974845, 81949690, 163899380]

約数ペア:

[(1, 163899380), (2, 81949690), (4, 40974845), (5, 32779876), (10, 16389938), (17, 9641140), (20, 8194969), (23, 7126060), (34, 4820570), (46, 3563030), (68, 2410285), (85, 1928228), (92, 1781515), (115, 1425212), (170, 964114), (230, 712606), (340, 482057), (391, 419180), (460, 356303), (782, 209590), (1564, 104795), (1955, 83836), (3910, 41918), (7820, 20959)]