199973890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{1187}}^1$

素因数の和:2202

約数の個数: 32

約数和(自身を含む): 381832704

約数和(自身を除く): 181858814

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 991, 1187, 1982, 2374, 4955, 5935, 9910, 11870, 16847, 20179, 33694, 40358, 84235, 100895, 168470, 201790, 1176317, 2352634, 5881585, 11763170, 19997389, 39994778, 99986945, 199973890]

約数ペア:

[(1, 199973890), (2, 99986945), (5, 39994778), (10, 19997389), (17, 11763170), (34, 5881585), (85, 2352634), (170, 1176317), (991, 201790), (1187, 168470), (1982, 100895), (2374, 84235), (4955, 40358), (5935, 33694), (9910, 20179), (11870, 16847)]