885640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3163}}^1$

素因数の和:3181

約数の個数: 32

約数和(自身を含む): 2278080

約数和(自身を除く): 1392440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3163, 6326, 12652, 15815, 22141, 25304, 31630, 44282, 63260, 88564, 110705, 126520, 177128, 221410, 442820, 885640]

約数ペア:

[(1, 885640), (2, 442820), (4, 221410), (5, 177128), (7, 126520), (8, 110705), (10, 88564), (14, 63260), (20, 44282), (28, 31630), (35, 25304), (40, 22141), (56, 15815), (70, 12652), (140, 6326), (280, 3163)]