28780010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{411143}}^1$

素因数の和:411157

約数の個数: 16

約数和(自身を含む): 59204736

約数和(自身を除く): 30424726

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 411143, 822286, 2055715, 2878001, 4111430, 5756002, 14390005, 28780010]

約数ペア:

[(1, 28780010), (2, 14390005), (5, 5756002), (7, 4111430), (10, 2878001), (14, 2055715), (35, 822286), (70, 411143)]