1490860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 3741696

約数和(自身を除く): 2250836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 463, 644, 805, 926, 1610, 1852, 2315, 3220, 3241, 4630, 6482, 9260, 10649, 12964, 16205, 21298, 32410, 42596, 53245, 64820, 74543, 106490, 149086, 212980, 298172, 372715, 745430, 1490860]

約数ペア:

[(1, 1490860), (2, 745430), (4, 372715), (5, 298172), (7, 212980), (10, 149086), (14, 106490), (20, 74543), (23, 64820), (28, 53245), (35, 42596), (46, 32410), (70, 21298), (92, 16205), (115, 12964), (140, 10649), (161, 9260), (230, 6482), (322, 4630), (460, 3241), (463, 3220), (644, 2315), (805, 1852), (926, 1610)]