488339995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 733824000

約数和(自身を除く): 245484005

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 103, 143, 209, 247, 349, 515, 715, 1045, 1133, 1235, 1339, 1745, 1957, 2717, 3839, 4537, 5665, 6631, 6695, 9785, 13585, 14729, 19195, 21527, 22685, 25441, 33155, 35947, 49907, 72941, 73645, 86203, 107635, 127205, 179735, 249535, 279851, 364705, 395417, 431015, 467311, 682993, 948233, 1399255, 1977085, 2336555, 3414965, 4741165, 5140421, 7512923, 8878909, 25702105, 37564615, 44394545, 97667999, 488339995]

約数ペア:

[(1, 488339995), (5, 97667999), (11, 44394545), (13, 37564615), (19, 25702105), (55, 8878909), (65, 7512923), (95, 5140421), (103, 4741165), (143, 3414965), (209, 2336555), (247, 1977085), (349, 1399255), (515, 948233), (715, 682993), (1045, 467311), (1133, 431015), (1235, 395417), (1339, 364705), (1745, 279851), (1957, 249535), (2717, 179735), (3839, 127205), (4537, 107635), (5665, 86203), (6631, 73645), (6695, 72941), (9785, 49907), (13585, 35947), (14729, 33155), (19195, 25441), (21527, 22685)]