215770840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283909}}^1$

素因数の和:283939

約数の個数: 32

約数和(自身を含む): 511038000

約数和(自身を除く): 295267160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 283909, 567818, 1135636, 1419545, 2271272, 2839090, 5394271, 5678180, 10788542, 11356360, 21577084, 26971355, 43154168, 53942710, 107885420, 215770840]

約数ペア:

[(1, 215770840), (2, 107885420), (4, 53942710), (5, 43154168), (8, 26971355), (10, 21577084), (19, 11356360), (20, 10788542), (38, 5678180), (40, 5394271), (76, 2839090), (95, 2271272), (152, 1419545), (190, 1135636), (380, 567818), (760, 283909)]