199985740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{9319}}^1$

素因数の和:9394

約数の個数: 48

約数和(自身を含む): 446241600

約数和(自身を除く): 246255860

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 4292, 5365, 9319, 10730, 18638, 21460, 37276, 46595, 93190, 186380, 270251, 344803, 540502, 689606, 1081004, 1351255, 1379212, 1724015, 2702510, 3448030, 5405020, 6896060, 9999287, 19998574, 39997148, 49996435, 99992870, 199985740]

約数ペア:

[(1, 199985740), (2, 99992870), (4, 49996435), (5, 39997148), (10, 19998574), (20, 9999287), (29, 6896060), (37, 5405020), (58, 3448030), (74, 2702510), (116, 1724015), (145, 1379212), (148, 1351255), (185, 1081004), (290, 689606), (370, 540502), (580, 344803), (740, 270251), (1073, 186380), (2146, 93190), (4292, 46595), (5365, 37276), (9319, 21460), (10730, 18638)]