138240830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2181

約数の個数: 64

約数和(自身を含む): 310601088

約数和(自身を除く): 172360258

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 455, 511, 730, 910, 949, 1022, 1898, 2081, 2555, 4162, 4745, 5110, 6643, 9490, 10405, 13286, 14567, 20810, 27053, 29134, 33215, 54106, 66430, 72835, 135265, 145670, 151913, 189371, 270530, 303826, 378742, 759565, 946855, 1063391, 1519130, 1893710, 1974869, 2126782, 3949738, 5316955, 9874345, 10633910, 13824083, 19748690, 27648166, 69120415, 138240830]

約数ペア:

[(1, 138240830), (2, 69120415), (5, 27648166), (7, 19748690), (10, 13824083), (13, 10633910), (14, 9874345), (26, 5316955), (35, 3949738), (65, 2126782), (70, 1974869), (73, 1893710), (91, 1519130), (130, 1063391), (146, 946855), (182, 759565), (365, 378742), (455, 303826), (511, 270530), (730, 189371), (910, 151913), (949, 145670), (1022, 135265), (1898, 72835), (2081, 66430), (2555, 54106), (4162, 33215), (4745, 29134), (5110, 27053), (6643, 20810), (9490, 14567), (10405, 13286)]