145243000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{20749}}^1$

素因数の和:20777

約数の個数: 64

約数和(自身を含む): 388440000

約数和(自身を除く): 243197000

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, 20749, 41498, 82996, 103745, 145243, 165992, 207490, 290486, 414980, 518725, 580972, 726215, 829960, 1037450, 1161944, 1452430, 2074900, 2593625, 2904860, 3631075, 4149800, 5187250, 5809720, 7262150, 10374500, 14524300, 18155375, 20749000, 29048600, 36310750, 72621500, 145243000]

約数ペア:

[(1, 145243000), (2, 72621500), (4, 36310750), (5, 29048600), (7, 20749000), (8, 18155375), (10, 14524300), (14, 10374500), (20, 7262150), (25, 5809720), (28, 5187250), (35, 4149800), (40, 3631075), (50, 2904860), (56, 2593625), (70, 2074900), (100, 1452430), (125, 1161944), (140, 1037450), (175, 829960), (200, 726215), (250, 580972), (280, 518725), (350, 414980), (500, 290486), (700, 207490), (875, 165992), (1000, 145243), (1400, 103745), (1750, 82996), (3500, 41498), (7000, 20749)]