248871740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{7537}}^1$

素因数の和:7686

約数の個数: 48

約数和(自身を含む): 567340032

約数和(自身を除く): 318468292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 7537, 8255, 15074, 16510, 30148, 33020, 37685, 75370, 97981, 150740, 195962, 391924, 489905, 957199, 979810, 1914398, 1959620, 3828796, 4785995, 9571990, 12443587, 19143980, 24887174, 49774348, 62217935, 124435870, 248871740]

約数ペア:

[(1, 248871740), (2, 124435870), (4, 62217935), (5, 49774348), (10, 24887174), (13, 19143980), (20, 12443587), (26, 9571990), (52, 4785995), (65, 3828796), (127, 1959620), (130, 1914398), (254, 979810), (260, 957199), (508, 489905), (635, 391924), (1270, 195962), (1651, 150740), (2540, 97981), (3302, 75370), (6604, 37685), (7537, 33020), (8255, 30148), (15074, 16510)]