28305740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 63201600

約数和(自身を除く): 34895860

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 1319, 2146, 2638, 4292, 5276, 5365, 6595, 10730, 13190, 21460, 26380, 38251, 48803, 76502, 97606, 153004, 191255, 195212, 244015, 382510, 488030, 765020, 976060, 1415287, 2830574, 5661148, 7076435, 14152870, 28305740]

約数ペア:

[(1, 28305740), (2, 14152870), (4, 7076435), (5, 5661148), (10, 2830574), (20, 1415287), (29, 976060), (37, 765020), (58, 488030), (74, 382510), (116, 244015), (145, 195212), (148, 191255), (185, 153004), (290, 97606), (370, 76502), (580, 48803), (740, 38251), (1073, 26380), (1319, 21460), (2146, 13190), (2638, 10730), (4292, 6595), (5276, 5365)]