71131480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254041}}^1$

素因数の和:254059

約数の個数: 32

約数和(自身を含む): 182910240

約数和(自身を除く): 111778760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254041, 508082, 1016164, 1270205, 1778287, 2032328, 2540410, 3556574, 5080820, 7113148, 8891435, 10161640, 14226296, 17782870, 35565740, 71131480]

約数ペア:

[(1, 71131480), (2, 35565740), (4, 17782870), (5, 14226296), (7, 10161640), (8, 8891435), (10, 7113148), (14, 5080820), (20, 3556574), (28, 2540410), (35, 2032328), (40, 1778287), (56, 1270205), (70, 1016164), (140, 508082), (280, 254041)]