255703840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{228307}}^1$

素因数の和:228329

約数の個数: 48

約数和(自身を含む): 690403392

約数和(自身を除く): 434699552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 228307, 456614, 913228, 1141535, 1598149, 1826456, 2283070, 3196298, 3652912, 4566140, 6392596, 7305824, 7990745, 9132280, 12785192, 15981490, 18264560, 25570384, 31962980, 36529120, 51140768, 63925960, 127851920, 255703840]

約数ペア:

[(1, 255703840), (2, 127851920), (4, 63925960), (5, 51140768), (7, 36529120), (8, 31962980), (10, 25570384), (14, 18264560), (16, 15981490), (20, 12785192), (28, 9132280), (32, 7990745), (35, 7305824), (40, 6392596), (56, 4566140), (70, 3652912), (80, 3196298), (112, 2283070), (140, 1826456), (160, 1598149), (224, 1141535), (280, 913228), (560, 456614), (1120, 228307)]