8777140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 19630800

約数和(自身を除く): 10853660

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 409, 580, 740, 818, 1073, 1636, 2045, 2146, 4090, 4292, 5365, 8180, 10730, 11861, 15133, 21460, 23722, 30266, 47444, 59305, 60532, 75665, 118610, 151330, 237220, 302660, 438857, 877714, 1755428, 2194285, 4388570, 8777140]

約数ペア:

[(1, 8777140), (2, 4388570), (4, 2194285), (5, 1755428), (10, 877714), (20, 438857), (29, 302660), (37, 237220), (58, 151330), (74, 118610), (116, 75665), (145, 60532), (148, 59305), (185, 47444), (290, 30266), (370, 23722), (409, 21460), (580, 15133), (740, 11861), (818, 10730), (1073, 8180), (1636, 5365), (2045, 4292), (2146, 4090)]