304800020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2177143}}^1$

素因数の和:2177159

約数の個数: 24

約数和(自身を含む): 731520384

約数和(自身を除く): 426720364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2177143, 4354286, 8708572, 10885715, 15240001, 21771430, 30480002, 43542860, 60960004, 76200005, 152400010, 304800020]

約数ペア:

[(1, 304800020), (2, 152400010), (4, 76200005), (5, 60960004), (7, 43542860), (10, 30480002), (14, 21771430), (20, 15240001), (28, 10885715), (35, 8708572), (70, 4354286), (140, 2177143)]