392309080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1291}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 904193280

約数和(自身を除く): 511884200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 107, 142, 214, 284, 355, 428, 535, 568, 710, 856, 1070, 1291, 1420, 2140, 2582, 2840, 4280, 5164, 6455, 7597, 10328, 12910, 15194, 25820, 30388, 37985, 51640, 60776, 75970, 91661, 138137, 151940, 183322, 276274, 303880, 366644, 458305, 552548, 690685, 733288, 916610, 1105096, 1381370, 1833220, 2762740, 3666440, 5525480, 9807727, 19615454, 39230908, 49038635, 78461816, 98077270, 196154540, 392309080]

約数ペア:

[(1, 392309080), (2, 196154540), (4, 98077270), (5, 78461816), (8, 49038635), (10, 39230908), (20, 19615454), (40, 9807727), (71, 5525480), (107, 3666440), (142, 2762740), (214, 1833220), (284, 1381370), (355, 1105096), (428, 916610), (535, 733288), (568, 690685), (710, 552548), (856, 458305), (1070, 366644), (1291, 303880), (1420, 276274), (2140, 183322), (2582, 151940), (2840, 138137), (4280, 91661), (5164, 75970), (6455, 60776), (7597, 51640), (10328, 37985), (12910, 30388), (15194, 25820)]