1290940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9221}}^1$

素因数の和:9237

約数の個数: 24

約数和(自身を含む): 3098592

約数和(自身を除く): 1807652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9221, 18442, 36884, 46105, 64547, 92210, 129094, 184420, 258188, 322735, 645470, 1290940]

約数ペア:

[(1, 1290940), (2, 645470), (4, 322735), (5, 258188), (7, 184420), (10, 129094), (14, 92210), (20, 64547), (28, 46105), (35, 36884), (70, 18442), (140, 9221)]