280161080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{368633}}^1$

素因数の和:368663

約数の個数: 32

約数和(自身を含む): 663541200

約数和(自身を除く): 383380120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 368633, 737266, 1474532, 1843165, 2949064, 3686330, 7004027, 7372660, 14008054, 14745320, 28016108, 35020135, 56032216, 70040270, 140080540, 280161080]

約数ペア:

[(1, 280161080), (2, 140080540), (4, 70040270), (5, 56032216), (8, 35020135), (10, 28016108), (19, 14745320), (20, 14008054), (38, 7372660), (40, 7004027), (76, 3686330), (95, 2949064), (152, 1843165), (190, 1474532), (380, 737266), (760, 368633)]