329497580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{5003}}^1$

素因数の和:5138

約数の個数: 48

約数和(自身を含む): 718774560

約数和(自身を除く): 389276980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 356, 370, 445, 740, 890, 1780, 3293, 5003, 6586, 10006, 13172, 16465, 20012, 25015, 32930, 50030, 65860, 100060, 185111, 370222, 445267, 740444, 890534, 925555, 1781068, 1851110, 2226335, 3702220, 4452670, 8905340, 16474879, 32949758, 65899516, 82374395, 164748790, 329497580]

約数ペア:

[(1, 329497580), (2, 164748790), (4, 82374395), (5, 65899516), (10, 32949758), (20, 16474879), (37, 8905340), (74, 4452670), (89, 3702220), (148, 2226335), (178, 1851110), (185, 1781068), (356, 925555), (370, 890534), (445, 740444), (740, 445267), (890, 370222), (1780, 185111), (3293, 100060), (5003, 65860), (6586, 50030), (10006, 32930), (13172, 25015), (16465, 20012)]