289901120

素因数分解:

$2^6\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1033}}^1$

素因数の和:1927

約数の個数: 56

約数和(自身を含む): 691783224

約数和(自身を除く): 401882104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 877, 1033, 1754, 2066, 3508, 4132, 4385, 5165, 7016, 8264, 8770, 10330, 14032, 16528, 17540, 20660, 28064, 33056, 35080, 41320, 56128, 66112, 70160, 82640, 140320, 165280, 280640, 330560, 905941, 1811882, 3623764, 4529705, 7247528, 9059410, 14495056, 18118820, 28990112, 36237640, 57980224, 72475280, 144950560, 289901120]

約数ペア:

[(1, 289901120), (2, 144950560), (4, 72475280), (5, 57980224), (8, 36237640), (10, 28990112), (16, 18118820), (20, 14495056), (32, 9059410), (40, 7247528), (64, 4529705), (80, 3623764), (160, 1811882), (320, 905941), (877, 330560), (1033, 280640), (1754, 165280), (2066, 140320), (3508, 82640), (4132, 70160), (4385, 66112), (5165, 56128), (7016, 41320), (8264, 35080), (8770, 33056), (10330, 28064), (14032, 20660), (16528, 17540)]