20030710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40879}}^1$

素因数の和:40900

約数の個数: 24

約数和(自身を含む): 41942880

約数和(自身を除く): 21912170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40879, 81758, 204395, 286153, 408790, 572306, 1430765, 2003071, 2861530, 4006142, 10015355, 20030710]

約数ペア:

[(1, 20030710), (2, 10015355), (5, 4006142), (7, 2861530), (10, 2003071), (14, 1430765), (35, 572306), (49, 408790), (70, 286153), (98, 204395), (245, 81758), (490, 40879)]