1279284400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{74377}}^1$

素因数の和:74438

約数の個数: 60

約数和(自身を含む): 3144999352

約数和(自身を除く): 1865714952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 8600, 17200, 74377, 148754, 297508, 371885, 595016, 743770, 1190032, 1487540, 1859425, 2975080, 3198211, 3718850, 5950160, 6396422, 7437700, 12792844, 14875400, 15991055, 25585688, 29750800, 31982110, 51171376, 63964220, 79955275, 127928440, 159910550, 255856880, 319821100, 639642200, 1279284400]

約数ペア:

[(1, 1279284400), (2, 639642200), (4, 319821100), (5, 255856880), (8, 159910550), (10, 127928440), (16, 79955275), (20, 63964220), (25, 51171376), (40, 31982110), (43, 29750800), (50, 25585688), (80, 15991055), (86, 14875400), (100, 12792844), (172, 7437700), (200, 6396422), (215, 5950160), (344, 3718850), (400, 3198211), (430, 2975080), (688, 1859425), (860, 1487540), (1075, 1190032), (1720, 743770), (2150, 595016), (3440, 371885), (4300, 297508), (8600, 148754), (17200, 74377)]