1438990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 3017664

約数和(自身を除く): 1578674

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 337, 427, 610, 674, 854, 1685, 2135, 2359, 3370, 4270, 4718, 11795, 20557, 23590, 41114, 102785, 143899, 205570, 287798, 719495, 1438990]

約数ペア:

[(1, 1438990), (2, 719495), (5, 287798), (7, 205570), (10, 143899), (14, 102785), (35, 41114), (61, 23590), (70, 20557), (122, 11795), (305, 4718), (337, 4270), (427, 3370), (610, 2359), (674, 2135), (854, 1685)]