28065800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{20047}}^1$

素因数の和:20070

約数の個数: 48

約数和(自身を含む): 74578560

約数和(自身を除く): 46512760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 20047, 40094, 80188, 100235, 140329, 160376, 200470, 280658, 400940, 501175, 561316, 701645, 801880, 1002350, 1122632, 1403290, 2004700, 2806580, 3508225, 4009400, 5613160, 7016450, 14032900, 28065800]

約数ペア:

[(1, 28065800), (2, 14032900), (4, 7016450), (5, 5613160), (7, 4009400), (8, 3508225), (10, 2806580), (14, 2004700), (20, 1403290), (25, 1122632), (28, 1002350), (35, 801880), (40, 701645), (50, 561316), (56, 501175), (70, 400940), (100, 280658), (140, 200470), (175, 160376), (200, 140329), (280, 100235), (350, 80188), (700, 40094), (1400, 20047)]