28574140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204101}}^1$

素因数の和:204117

約数の個数: 24

約数和(自身を含む): 68578272

約数和(自身を除く): 40004132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204101, 408202, 816404, 1020505, 1428707, 2041010, 2857414, 4082020, 5714828, 7143535, 14287070, 28574140]

約数ペア:

[(1, 28574140), (2, 14287070), (4, 7143535), (5, 5714828), (7, 4082020), (10, 2857414), (14, 2041010), (20, 1428707), (28, 1020505), (35, 816404), (70, 408202), (140, 204101)]