249537280

素因数分解:

$2^8\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 602505792

約数和(自身を除く): 352968512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 548, 640, 685, 1096, 1280, 1370, 1423, 2192, 2740, 2846, 4384, 5480, 5692, 7115, 8768, 10960, 11384, 14230, 17536, 21920, 22768, 28460, 35072, 43840, 45536, 56920, 87680, 91072, 113840, 175360, 182144, 194951, 227680, 364288, 389902, 455360, 779804, 910720, 974755, 1559608, 1821440, 1949510, 3119216, 3899020, 6238432, 7798040, 12476864, 15596080, 24953728, 31192160, 49907456, 62384320, 124768640, 249537280]

約数ペア:

[(1, 249537280), (2, 124768640), (4, 62384320), (5, 49907456), (8, 31192160), (10, 24953728), (16, 15596080), (20, 12476864), (32, 7798040), (40, 6238432), (64, 3899020), (80, 3119216), (128, 1949510), (137, 1821440), (160, 1559608), (256, 974755), (274, 910720), (320, 779804), (548, 455360), (640, 389902), (685, 364288), (1096, 227680), (1280, 194951), (1370, 182144), (1423, 175360), (2192, 113840), (2740, 91072), (2846, 87680), (4384, 56920), (5480, 45536), (5692, 43840), (7115, 35072), (8768, 28460), (10960, 22768), (11384, 21920), (14230, 17536)]