207989762020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20177}}^1\times {\mathrm{27127}}^1$

素因数の和:47332

約数の個数: 48

約数和(自身を含む): 459806578560

約数和(自身を除く): 251816816540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20177, 27127, 40354, 54254, 80708, 100885, 108508, 135635, 201770, 271270, 383363, 403540, 515413, 542540, 766726, 1030826, 1533452, 1916815, 2061652, 2577065, 3833630, 5154130, 7667260, 10308260, 547341479, 1094682958, 2189365916, 2736707395, 5473414790, 10399488101, 10946829580, 20798976202, 41597952404, 51997440505, 103994881010, 207989762020]

約数ペア:

[(1, 207989762020), (2, 103994881010), (4, 51997440505), (5, 41597952404), (10, 20798976202), (19, 10946829580), (20, 10399488101), (38, 5473414790), (76, 2736707395), (95, 2189365916), (190, 1094682958), (380, 547341479), (20177, 10308260), (27127, 7667260), (40354, 5154130), (54254, 3833630), (80708, 2577065), (100885, 2061652), (108508, 1916815), (135635, 1533452), (201770, 1030826), (271270, 766726), (383363, 542540), (403540, 515413)]