1990378370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{10169}}^1$

素因数の和:10259

約数の個数: 48

約数和(自身を含む): 3846822840

約数和(自身を除く): 1856444470

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 529, 851, 1058, 1702, 2645, 4255, 5290, 8510, 10169, 19573, 20338, 39146, 50845, 97865, 101690, 195730, 233887, 376253, 467774, 752506, 1169435, 1881265, 2338870, 3762530, 5379401, 8653819, 10758802, 17307638, 26897005, 43269095, 53794010, 86538190, 199037837, 398075674, 995189185, 1990378370]

約数ペア:

[(1, 1990378370), (2, 995189185), (5, 398075674), (10, 199037837), (23, 86538190), (37, 53794010), (46, 43269095), (74, 26897005), (115, 17307638), (185, 10758802), (230, 8653819), (370, 5379401), (529, 3762530), (851, 2338870), (1058, 1881265), (1702, 1169435), (2645, 752506), (4255, 467774), (5290, 376253), (8510, 233887), (10169, 195730), (19573, 101690), (20338, 97865), (39146, 50845)]