1338824140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{4493}}^1$

素因数の和:4866

約数の個数: 48

約数和(自身を含む): 2881049472

約数和(自身を除く): 1542225332

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 317, 470, 634, 940, 1268, 1585, 3170, 4493, 6340, 8986, 14899, 17972, 22465, 29798, 44930, 59596, 74495, 89860, 148990, 211171, 297980, 422342, 844684, 1055855, 1424281, 2111710, 2848562, 4223420, 5697124, 7121405, 14242810, 28485620, 66941207, 133882414, 267764828, 334706035, 669412070, 1338824140]

約数ペア:

[(1, 1338824140), (2, 669412070), (4, 334706035), (5, 267764828), (10, 133882414), (20, 66941207), (47, 28485620), (94, 14242810), (188, 7121405), (235, 5697124), (317, 4223420), (470, 2848562), (634, 2111710), (940, 1424281), (1268, 1055855), (1585, 844684), (3170, 422342), (4493, 297980), (6340, 211171), (8986, 148990), (14899, 89860), (17972, 74495), (22465, 59596), (29798, 44930)]