2149243390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4386211}}^1$

素因数の和:4386232

約数の個数: 24

約数和(自身を含む): 4500253512

約数和(自身を除く): 2351010122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4386211, 8772422, 21931055, 30703477, 43862110, 61406954, 153517385, 214924339, 307034770, 429848678, 1074621695, 2149243390]

約数ペア:

[(1, 2149243390), (2, 1074621695), (5, 429848678), (7, 307034770), (10, 214924339), (14, 153517385), (35, 61406954), (49, 43862110), (70, 30703477), (98, 21931055), (245, 8772422), (490, 4386211)]