140749000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{20107}}^1$

素因数の和:20135

約数の個数: 64

約数和(自身を含む): 376421760

約数和(自身を除く): 235672760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 20107, 40214, 80428, 100535, 140749, 160856, 201070, 281498, 402140, 502675, 562996, 703745, 804280, 1005350, 1125992, 1407490, 2010700, 2513375, 2814980, 3518725, 4021400, 5026750, 5629960, 7037450, 10053500, 14074900, 17593625, 20107000, 28149800, 35187250, 70374500, 140749000]

約数ペア:

[(1, 140749000), (2, 70374500), (4, 35187250), (5, 28149800), (7, 20107000), (8, 17593625), (10, 14074900), (14, 10053500), (20, 7037450), (25, 5629960), (28, 5026750), (35, 4021400), (40, 3518725), (50, 2814980), (56, 2513375), (70, 2010700), (100, 1407490), (125, 1125992), (140, 1005350), (175, 804280), (200, 703745), (250, 562996), (280, 502675), (350, 402140), (500, 281498), (700, 201070), (875, 160856), (1000, 140749), (1400, 100535), (1750, 80428), (3500, 40214), (7000, 20107)]