2220380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 4735248

約数和(自身を除く): 2514868

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1657, 3314, 6628, 8285, 16570, 33140, 111019, 222038, 444076, 555095, 1110190, 2220380]

約数ペア:

[(1, 2220380), (2, 1110190), (4, 555095), (5, 444076), (10, 222038), (20, 111019), (67, 33140), (134, 16570), (268, 8285), (335, 6628), (670, 3314), (1340, 1657)]