1880453890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3837661}}^1$

素因数の和:3837682

約数の個数: 24

約数和(自身を含む): 3937441212

約数和(自身を除く): 2056987322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3837661, 7675322, 19188305, 26863627, 38376610, 53727254, 134318135, 188045389, 268636270, 376090778, 940226945, 1880453890]

約数ペア:

[(1, 1880453890), (2, 940226945), (5, 376090778), (7, 268636270), (10, 188045389), (14, 134318135), (35, 53727254), (49, 38376610), (70, 26863627), (98, 19188305), (245, 7675322), (490, 3837661)]