240140140

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{13691}}^1$

素因数の和:14577

約数の個数: 24

約数和(自身を含む): 504906192

約数和(自身を除く): 264766052

約数列:

[1, 2, 4, 5, 10, 20, 877, 1754, 3508, 4385, 8770, 13691, 17540, 27382, 54764, 68455, 136910, 273820, 12007007, 24014014, 48028028, 60035035, 120070070, 240140140]

約数ペア:

[(1, 240140140), (2, 120070070), (4, 60035035), (5, 48028028), (10, 24014014), (20, 12007007), (877, 273820), (1754, 136910), (3508, 68455), (4385, 54764), (8770, 27382), (13691, 17540)]