1279857580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{129803}}^1$

素因数の和:129858

約数の個数: 48

約数和(自身を含む): 2943954720

約数和(自身を除く): 1664097140

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 129803, 259606, 519212, 649015, 1298030, 2206651, 2596060, 3764287, 4413302, 7528574, 8826604, 11033255, 15057148, 18821435, 22066510, 37642870, 44133020, 63992879, 75285740, 127985758, 255971516, 319964395, 639928790, 1279857580]

約数ペア:

[(1, 1279857580), (2, 639928790), (4, 319964395), (5, 255971516), (10, 127985758), (17, 75285740), (20, 63992879), (29, 44133020), (34, 37642870), (58, 22066510), (68, 18821435), (85, 15057148), (116, 11033255), (145, 8826604), (170, 7528574), (290, 4413302), (340, 3764287), (493, 2596060), (580, 2206651), (986, 1298030), (1972, 649015), (2465, 519212), (4930, 259606), (9860, 129803)]