290291260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{5471}}^1$

素因数の和:5866

約数の個数: 48

約数和(自身を含む): 698664960

約数和(自身を除く): 408373700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1516, 1895, 2653, 3790, 5306, 5471, 7580, 10612, 10942, 13265, 21884, 26530, 27355, 38297, 53060, 54710, 76594, 109420, 153188, 191485, 382970, 765940, 2073509, 4147018, 8294036, 10367545, 14514563, 20735090, 29029126, 41470180, 58058252, 72572815, 145145630, 290291260]

約数ペア:

[(1, 290291260), (2, 145145630), (4, 72572815), (5, 58058252), (7, 41470180), (10, 29029126), (14, 20735090), (20, 14514563), (28, 10367545), (35, 8294036), (70, 4147018), (140, 2073509), (379, 765940), (758, 382970), (1516, 191485), (1895, 153188), (2653, 109420), (3790, 76594), (5306, 54710), (5471, 53060), (7580, 38297), (10612, 27355), (10942, 26530), (13265, 21884)]