1778180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1327}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 3792768

約数和(自身を除く): 2014588

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1327, 1340, 2654, 5308, 6635, 13270, 26540, 88909, 177818, 355636, 444545, 889090, 1778180]

約数ペア:

[(1, 1778180), (2, 889090), (4, 444545), (5, 355636), (10, 177818), (20, 88909), (67, 26540), (134, 13270), (268, 6635), (335, 5308), (670, 2654), (1327, 1340)]