788333480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{4157}}^1$

素因数の和:4610

約数の個数: 64

約数和(自身を含む): 1939956480

約数和(自身を除く): 1151623000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 431, 440, 862, 1724, 2155, 3448, 4157, 4310, 4741, 8314, 8620, 9482, 16628, 17240, 18964, 20785, 23705, 33256, 37928, 41570, 45727, 47410, 83140, 91454, 94820, 166280, 182908, 189640, 228635, 365816, 457270, 914540, 1791667, 1829080, 3583334, 7166668, 8958335, 14333336, 17916670, 19708337, 35833340, 39416674, 71666680, 78833348, 98541685, 157666696, 197083370, 394166740, 788333480]

約数ペア:

[(1, 788333480), (2, 394166740), (4, 197083370), (5, 157666696), (8, 98541685), (10, 78833348), (11, 71666680), (20, 39416674), (22, 35833340), (40, 19708337), (44, 17916670), (55, 14333336), (88, 8958335), (110, 7166668), (220, 3583334), (431, 1829080), (440, 1791667), (862, 914540), (1724, 457270), (2155, 365816), (3448, 228635), (4157, 189640), (4310, 182908), (4741, 166280), (8314, 94820), (8620, 91454), (9482, 83140), (16628, 47410), (17240, 45727), (18964, 41570), (20785, 37928), (23705, 33256)]