2002337990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{70729}}^1$

素因数の和:70904

約数の個数: 32

約数和(自身を含む): 3819420000

約数和(自身を除く): 1817082010

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 2831, 5662, 14155, 28310, 70729, 141458, 353645, 707290, 1343851, 2687702, 6719255, 10538621, 13438510, 21077242, 52693105, 105386210, 200233799, 400467598, 1001168995, 2002337990]

約数ペア:

[(1, 2002337990), (2, 1001168995), (5, 400467598), (10, 200233799), (19, 105386210), (38, 52693105), (95, 21077242), (149, 13438510), (190, 10538621), (298, 6719255), (745, 2687702), (1490, 1343851), (2831, 707290), (5662, 353645), (14155, 141458), (28310, 70729)]