165728620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1753}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 362446560

約数和(自身を除く): 196717940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 290, 326, 580, 652, 815, 1630, 1753, 3260, 3506, 4727, 7012, 8765, 9454, 17530, 18908, 23635, 35060, 47270, 50837, 94540, 101674, 203348, 254185, 285739, 508370, 571478, 1016740, 1142956, 1428695, 2857390, 5714780, 8286431, 16572862, 33145724, 41432155, 82864310, 165728620]

約数ペア:

[(1, 165728620), (2, 82864310), (4, 41432155), (5, 33145724), (10, 16572862), (20, 8286431), (29, 5714780), (58, 2857390), (116, 1428695), (145, 1142956), (163, 1016740), (290, 571478), (326, 508370), (580, 285739), (652, 254185), (815, 203348), (1630, 101674), (1753, 94540), (3260, 50837), (3506, 47270), (4727, 35060), (7012, 23635), (8765, 18908), (9454, 17530)]