289789760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69661}}^1$

素因数の和:69691

約数の個数: 56

約数和(自身を含む): 743154216

約数和(自身を除く): 453364456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 69661, 139322, 278644, 348305, 557288, 696610, 905593, 1114576, 1393220, 1811186, 2229152, 2786440, 3622372, 4458304, 4527965, 5572880, 7244744, 9055930, 11145760, 14489488, 18111860, 22291520, 28978976, 36223720, 57957952, 72447440, 144894880, 289789760]

約数ペア:

[(1, 289789760), (2, 144894880), (4, 72447440), (5, 57957952), (8, 36223720), (10, 28978976), (13, 22291520), (16, 18111860), (20, 14489488), (26, 11145760), (32, 9055930), (40, 7244744), (52, 5572880), (64, 4527965), (65, 4458304), (80, 3622372), (104, 2786440), (130, 2229152), (160, 1811186), (208, 1393220), (260, 1114576), (320, 905593), (416, 696610), (520, 557288), (832, 348305), (1040, 278644), (2080, 139322), (4160, 69661)]