277030180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{15581}}^1$

素因数の和:15724

約数の個数: 48

約数和(自身を含む): 670150656

約数和(自身を除く): 393120476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 15581, 17780, 31162, 62324, 77905, 109067, 155810, 218134, 311620, 436268, 545335, 1090670, 1978787, 2181340, 3957574, 7915148, 9893935, 13851509, 19787870, 27703018, 39575740, 55406036, 69257545, 138515090, 277030180]

約数ペア:

[(1, 277030180), (2, 138515090), (4, 69257545), (5, 55406036), (7, 39575740), (10, 27703018), (14, 19787870), (20, 13851509), (28, 9893935), (35, 7915148), (70, 3957574), (127, 2181340), (140, 1978787), (254, 1090670), (508, 545335), (635, 436268), (889, 311620), (1270, 218134), (1778, 155810), (2540, 109067), (3556, 77905), (4445, 62324), (8890, 31162), (15581, 17780)]