2118620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 5234880

約数和(自身を除く): 3116260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 409, 518, 740, 818, 1036, 1295, 1636, 2045, 2590, 2863, 4090, 5180, 5726, 8180, 11452, 14315, 15133, 28630, 30266, 57260, 60532, 75665, 105931, 151330, 211862, 302660, 423724, 529655, 1059310, 2118620]

約数ペア:

[(1, 2118620), (2, 1059310), (4, 529655), (5, 423724), (7, 302660), (10, 211862), (14, 151330), (20, 105931), (28, 75665), (35, 60532), (37, 57260), (70, 30266), (74, 28630), (140, 15133), (148, 14315), (185, 11452), (259, 8180), (370, 5726), (409, 5180), (518, 4090), (740, 2863), (818, 2590), (1036, 2045), (1295, 1636)]