28039340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5413}}^1$

素因数の和:5466

約数の個数: 48

約数和(自身を含む): 69125952

約数和(自身を除く): 41086612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5413, 10826, 21652, 27065, 37891, 54130, 75782, 108260, 151564, 189455, 200281, 378910, 400562, 757820, 801124, 1001405, 1401967, 2002810, 2803934, 4005620, 5607868, 7009835, 14019670, 28039340]

約数ペア:

[(1, 28039340), (2, 14019670), (4, 7009835), (5, 5607868), (7, 4005620), (10, 2803934), (14, 2002810), (20, 1401967), (28, 1001405), (35, 801124), (37, 757820), (70, 400562), (74, 378910), (140, 200281), (148, 189455), (185, 151564), (259, 108260), (370, 75782), (518, 54130), (740, 37891), (1036, 27065), (1295, 21652), (2590, 10826), (5180, 5413)]