28089740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28663}}^1$

素因数の和:28686

約数の個数: 36

約数和(自身を含む): 68621616

約数和(自身を除く): 40531876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28663, 57326, 114652, 143315, 200641, 286630, 401282, 573260, 802564, 1003205, 1404487, 2006410, 2808974, 4012820, 5617948, 7022435, 14044870, 28089740]

約数ペア:

[(1, 28089740), (2, 14044870), (4, 7022435), (5, 5617948), (7, 4012820), (10, 2808974), (14, 2006410), (20, 1404487), (28, 1003205), (35, 802564), (49, 573260), (70, 401282), (98, 286630), (140, 200641), (196, 143315), (245, 114652), (490, 57326), (980, 28663)]