2587990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 5015520

約数和(自身を除く): 2427530

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 257, 265, 514, 530, 1007, 1285, 2014, 2570, 4883, 5035, 9766, 10070, 13621, 24415, 27242, 48830, 68105, 136210, 258799, 517598, 1293995, 2587990]

約数ペア:

[(1, 2587990), (2, 1293995), (5, 517598), (10, 258799), (19, 136210), (38, 68105), (53, 48830), (95, 27242), (106, 24415), (190, 13621), (257, 10070), (265, 9766), (514, 5035), (530, 4883), (1007, 2570), (1285, 2014)]