210901390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{430411}}^1$

素因数の和:430432

約数の個数: 24

約数和(自身を含む): 441602712

約数和(自身を除く): 230701322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 430411, 860822, 2152055, 3012877, 4304110, 6025754, 15064385, 21090139, 30128770, 42180278, 105450695, 210901390]

約数ペア:

[(1, 210901390), (2, 105450695), (5, 42180278), (7, 30128770), (10, 21090139), (14, 15064385), (35, 6025754), (49, 4304110), (70, 3012877), (98, 2152055), (245, 860822), (490, 430411)]