678102940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{2099}}^1$

素因数の和:2694

約数の個数: 48

約数和(自身を含む): 1476468000

約数和(自身を除く): 798365060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 557, 580, 1114, 2099, 2228, 2785, 4198, 5570, 8396, 10495, 11140, 16153, 20990, 32306, 41980, 60871, 64612, 80765, 121742, 161530, 243484, 304355, 323060, 608710, 1169143, 1217420, 2338286, 4676572, 5845715, 11691430, 23382860, 33905147, 67810294, 135620588, 169525735, 339051470, 678102940]

約数ペア:

[(1, 678102940), (2, 339051470), (4, 169525735), (5, 135620588), (10, 67810294), (20, 33905147), (29, 23382860), (58, 11691430), (116, 5845715), (145, 4676572), (290, 2338286), (557, 1217420), (580, 1169143), (1114, 608710), (2099, 323060), (2228, 304355), (2785, 243484), (4198, 161530), (5570, 121742), (8396, 80765), (10495, 64612), (11140, 60871), (16153, 41980), (20990, 32306)]