28878130

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{78049}}^1$

素因数の和:78093

約数の個数: 16

約数和(自身を含む): 53386200

約数和(自身を除く): 24508070

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 78049, 156098, 390245, 780490, 2887813, 5775626, 14439065, 28878130]

約数ペア:

[(1, 28878130), (2, 14439065), (5, 5775626), (10, 2887813), (37, 780490), (74, 390245), (185, 156098), (370, 78049)]