155448020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{85411}}^1$

素因数の和:85440

約数の個数: 48

約数和(自身を含む): 401778048

約数和(自身を除く): 246330028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 85411, 170822, 341644, 427055, 597877, 854110, 1110343, 1195754, 1708220, 2220686, 2391508, 2989385, 4441372, 5551715, 5978770, 7772401, 11103430, 11957540, 15544802, 22206860, 31089604, 38862005, 77724010, 155448020]

約数ペア:

[(1, 155448020), (2, 77724010), (4, 38862005), (5, 31089604), (7, 22206860), (10, 15544802), (13, 11957540), (14, 11103430), (20, 7772401), (26, 5978770), (28, 5551715), (35, 4441372), (52, 2989385), (65, 2391508), (70, 2220686), (91, 1708220), (130, 1195754), (140, 1110343), (182, 854110), (260, 597877), (364, 427055), (455, 341644), (910, 170822), (1820, 85411)]