2012990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 4190400

約数和(自身を除く): 2177410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 193, 298, 386, 745, 965, 1043, 1351, 1490, 1930, 2086, 2702, 5215, 6755, 10430, 13510, 28757, 57514, 143785, 201299, 287570, 402598, 1006495, 2012990]

約数ペア:

[(1, 2012990), (2, 1006495), (5, 402598), (7, 287570), (10, 201299), (14, 143785), (35, 57514), (70, 28757), (149, 13510), (193, 10430), (298, 6755), (386, 5215), (745, 2702), (965, 2086), (1043, 1930), (1351, 1490)]