201927820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{829}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 447602400

約数和(自身を除く): 245674580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 641, 829, 1282, 1658, 2564, 3205, 3316, 4145, 6410, 8290, 12179, 12820, 15751, 16580, 24358, 31502, 48716, 60895, 63004, 78755, 121790, 157510, 243580, 315020, 531389, 1062778, 2125556, 2656945, 5313890, 10096391, 10627780, 20192782, 40385564, 50481955, 100963910, 201927820]

約数ペア:

[(1, 201927820), (2, 100963910), (4, 50481955), (5, 40385564), (10, 20192782), (19, 10627780), (20, 10096391), (38, 5313890), (76, 2656945), (95, 2125556), (190, 1062778), (380, 531389), (641, 315020), (829, 243580), (1282, 157510), (1658, 121790), (2564, 78755), (3205, 63004), (3316, 60895), (4145, 48716), (6410, 31502), (8290, 24358), (12179, 16580), (12820, 15751)]