2390650

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:498

約数の個数: 24

約数和(自身を含む): 4491900

約数和(自身を除く): 2101250

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 349, 685, 698, 1370, 1745, 3425, 3490, 6850, 8725, 17450, 47813, 95626, 239065, 478130, 1195325, 2390650]

約数ペア:

[(1, 2390650), (2, 1195325), (5, 478130), (10, 239065), (25, 95626), (50, 47813), (137, 17450), (274, 8725), (349, 6850), (685, 3490), (698, 3425), (1370, 1745)]