1830380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 3900960

約数和(自身を除く): 2070580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1289, 1420, 2578, 5156, 6445, 12890, 25780, 91519, 183038, 366076, 457595, 915190, 1830380]

約数ペア:

[(1, 1830380), (2, 915190), (4, 457595), (5, 366076), (10, 183038), (20, 91519), (71, 25780), (142, 12890), (284, 6445), (355, 5156), (710, 2578), (1289, 1420)]