1808860

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 3830400

約数和(自身を除く): 2021540

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 607, 745, 1214, 1490, 2428, 2980, 3035, 6070, 12140, 90443, 180886, 361772, 452215, 904430, 1808860]

約数ペア:

[(1, 1808860), (2, 904430), (4, 452215), (5, 361772), (10, 180886), (20, 90443), (149, 12140), (298, 6070), (596, 3035), (607, 2980), (745, 2428), (1214, 1490)]