2487990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 6013440

約数和(自身を除く): 3525450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 347, 478, 694, 717, 1041, 1195, 1434, 1735, 2082, 2390, 3470, 3585, 5205, 7170, 10410, 82933, 165866, 248799, 414665, 497598, 829330, 1243995, 2487990]

約数ペア:

[(1, 2487990), (2, 1243995), (3, 829330), (5, 497598), (6, 414665), (10, 248799), (15, 165866), (30, 82933), (239, 10410), (347, 7170), (478, 5205), (694, 3585), (717, 3470), (1041, 2390), (1195, 2082), (1434, 1735)]