2443820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 5207328

約数和(自身を除く): 2763508

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1721, 3442, 6884, 8605, 17210, 34420, 122191, 244382, 488764, 610955, 1221910, 2443820]

約数ペア:

[(1, 2443820), (2, 1221910), (4, 610955), (5, 488764), (10, 244382), (20, 122191), (71, 34420), (142, 17210), (284, 8605), (355, 6884), (710, 3442), (1420, 1721)]