189207680

素因数分解:

$2^7\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1009}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 454318200

約数和(自身を除く): 265110520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 293, 320, 586, 640, 1009, 1172, 1465, 2018, 2344, 2930, 4036, 4688, 5045, 5860, 8072, 9376, 10090, 11720, 16144, 18752, 20180, 23440, 32288, 37504, 40360, 46880, 64576, 80720, 93760, 129152, 161440, 187520, 295637, 322880, 591274, 645760, 1182548, 1478185, 2365096, 2956370, 4730192, 5912740, 9460384, 11825480, 18920768, 23650960, 37841536, 47301920, 94603840, 189207680]

約数ペア:

[(1, 189207680), (2, 94603840), (4, 47301920), (5, 37841536), (8, 23650960), (10, 18920768), (16, 11825480), (20, 9460384), (32, 5912740), (40, 4730192), (64, 2956370), (80, 2365096), (128, 1478185), (160, 1182548), (293, 645760), (320, 591274), (586, 322880), (640, 295637), (1009, 187520), (1172, 161440), (1465, 129152), (2018, 93760), (2344, 80720), (2930, 64576), (4036, 46880), (4688, 40360), (5045, 37504), (5860, 32288), (8072, 23440), (9376, 20180), (10090, 18752), (11720, 16144)]