290147195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{983}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 396748800

約数和(自身を除く): 106601605

約数列:

[1, 5, 13, 19, 65, 95, 239, 247, 983, 1195, 1235, 3107, 4541, 4915, 12779, 15535, 18677, 22705, 59033, 63895, 93385, 234937, 242801, 295165, 1174685, 1214005, 3054181, 4463803, 15270905, 22319015, 58029439, 290147195]

約数ペア:

[(1, 290147195), (5, 58029439), (13, 22319015), (19, 15270905), (65, 4463803), (95, 3054181), (239, 1214005), (247, 1174685), (983, 295165), (1195, 242801), (1235, 234937), (3107, 93385), (4541, 63895), (4915, 59033), (12779, 22705), (15535, 18677)]