989845480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{82763}}^1$

素因数の和:82810

約数の個数: 64

約数和(自身を含む): 2502783360

約数和(自身を除く): 1512937880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 82763, 165526, 331052, 413815, 662104, 827630, 1075919, 1655260, 1903549, 2151838, 3310520, 3807098, 4303676, 5379595, 7614196, 8607352, 9517745, 10759190, 15228392, 19035490, 21518380, 24746137, 38070980, 43036760, 49492274, 76141960, 98984548, 123730685, 197969096, 247461370, 494922740, 989845480]

約数ペア:

[(1, 989845480), (2, 494922740), (4, 247461370), (5, 197969096), (8, 123730685), (10, 98984548), (13, 76141960), (20, 49492274), (23, 43036760), (26, 38070980), (40, 24746137), (46, 21518380), (52, 19035490), (65, 15228392), (92, 10759190), (104, 9517745), (115, 8607352), (130, 7614196), (184, 5379595), (230, 4303676), (260, 3807098), (299, 3310520), (460, 2151838), (520, 1903549), (598, 1655260), (920, 1075919), (1196, 827630), (1495, 662104), (2392, 413815), (2990, 331052), (5980, 165526), (11960, 82763)]