209375830040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{314813}}^1$

素因数の和:316116

約数の個数: 64

約数和(自身を含む): 507732019200

約数和(自身を除く): 298356189160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1279, 2558, 5116, 6395, 10232, 12790, 16627, 25580, 33254, 51160, 66508, 83135, 133016, 166270, 314813, 332540, 629626, 665080, 1259252, 1574065, 2518504, 3148130, 4092569, 6296260, 8185138, 12592520, 16370276, 20462845, 32740552, 40925690, 81851380, 163702760, 402645827, 805291654, 1610583308, 2013229135, 3221166616, 4026458270, 5234395751, 8052916540, 10468791502, 16105833080, 20937583004, 26171978755, 41875166008, 52343957510, 104687915020, 209375830040]

約数ペア:

[(1, 209375830040), (2, 104687915020), (4, 52343957510), (5, 41875166008), (8, 26171978755), (10, 20937583004), (13, 16105833080), (20, 10468791502), (26, 8052916540), (40, 5234395751), (52, 4026458270), (65, 3221166616), (104, 2013229135), (130, 1610583308), (260, 805291654), (520, 402645827), (1279, 163702760), (2558, 81851380), (5116, 40925690), (6395, 32740552), (10232, 20462845), (12790, 16370276), (16627, 12592520), (25580, 8185138), (33254, 6296260), (51160, 4092569), (66508, 3148130), (83135, 2518504), (133016, 1574065), (166270, 1259252), (314813, 665080), (332540, 629626)]