209156904010

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1\times {\mathrm{563}}^1\times {\mathrm{727}}^1$

素因数の和:1807

約数の個数: 64

約数和(自身を含む): 381446537472

約数和(自身を除く): 172289633462

約数列:

[1, 2, 5, 10, 137, 274, 373, 563, 685, 727, 746, 1126, 1370, 1454, 1865, 2815, 3635, 3730, 5630, 7270, 51101, 77131, 99599, 102202, 154262, 199198, 209999, 255505, 271171, 385655, 409301, 419998, 497995, 511010, 542342, 771310, 818602, 995990, 1049995, 1355855, 2046505, 2099990, 2711710, 4093010, 28769863, 37150427, 56074237, 57539726, 74300854, 112148474, 143849315, 152669273, 185752135, 280371185, 287698630, 305338546, 371504270, 560742370, 763346365, 1526692730, 20915690401, 41831380802, 104578452005, 209156904010]

約数ペア:

[(1, 209156904010), (2, 104578452005), (5, 41831380802), (10, 20915690401), (137, 1526692730), (274, 763346365), (373, 560742370), (563, 371504270), (685, 305338546), (727, 287698630), (746, 280371185), (1126, 185752135), (1370, 152669273), (1454, 143849315), (1865, 112148474), (2815, 74300854), (3635, 57539726), (3730, 56074237), (5630, 37150427), (7270, 28769863), (51101, 4093010), (77131, 2711710), (99599, 2099990), (102202, 2046505), (154262, 1355855), (199198, 1049995), (209999, 995990), (255505, 818602), (271171, 771310), (385655, 542342), (409301, 511010), (419998, 497995)]