289165960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3511}}^1$

素因数の和:3622

約数の個数: 64

約数和(自身を含む): 682732800

約数和(自身を除く): 393566840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 1160, 1420, 2059, 2840, 3511, 4118, 7022, 8236, 10295, 14044, 16472, 17555, 20590, 28088, 35110, 41180, 70220, 82360, 101819, 140440, 203638, 249281, 407276, 498562, 509095, 814552, 997124, 1018190, 1246405, 1994248, 2036380, 2492810, 4072760, 4985620, 7229149, 9971240, 14458298, 28916596, 36145745, 57833192, 72291490, 144582980, 289165960]

約数ペア:

[(1, 289165960), (2, 144582980), (4, 72291490), (5, 57833192), (8, 36145745), (10, 28916596), (20, 14458298), (29, 9971240), (40, 7229149), (58, 4985620), (71, 4072760), (116, 2492810), (142, 2036380), (145, 1994248), (232, 1246405), (284, 1018190), (290, 997124), (355, 814552), (568, 509095), (580, 498562), (710, 407276), (1160, 249281), (1420, 203638), (2059, 140440), (2840, 101819), (3511, 82360), (4118, 70220), (7022, 41180), (8236, 35110), (10295, 28088), (14044, 20590), (16472, 17555)]