137216440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79777}}^1$

素因数の和:79831

約数の個数: 32

約数和(自身を含む): 315920880

約数和(自身を除く): 178704440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 79777, 159554, 319108, 398885, 638216, 797770, 1595540, 3191080, 3430411, 6860822, 13721644, 17152055, 27443288, 34304110, 68608220, 137216440]

約数ペア:

[(1, 137216440), (2, 68608220), (4, 34304110), (5, 27443288), (8, 17152055), (10, 13721644), (20, 6860822), (40, 3430411), (43, 3191080), (86, 1595540), (172, 797770), (215, 638216), (344, 398885), (430, 319108), (860, 159554), (1720, 79777)]