817490030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1668347}}^1$

素因数の和:1668368

約数の個数: 24

約数和(自身を含む): 1711725048

約数和(自身を除く): 894235018

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1668347, 3336694, 8341735, 11678429, 16683470, 23356858, 58392145, 81749003, 116784290, 163498006, 408745015, 817490030]

約数ペア:

[(1, 817490030), (2, 408745015), (5, 163498006), (7, 116784290), (10, 81749003), (14, 58392145), (35, 23356858), (49, 16683470), (70, 11678429), (98, 8341735), (245, 3336694), (490, 1668347)]