2904005020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20742893}}^1$

素因数の和:20742909

約数の個数: 24

約数和(自身を含む): 6969612384

約数和(自身を除く): 4065607364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20742893, 41485786, 82971572, 103714465, 145200251, 207428930, 290400502, 414857860, 580801004, 726001255, 1452002510, 2904005020]

約数ペア:

[(1, 2904005020), (2, 1452002510), (4, 726001255), (5, 580801004), (7, 414857860), (10, 290400502), (14, 207428930), (20, 145200251), (28, 103714465), (35, 82971572), (70, 41485786), (140, 20742893)]