4280920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{15289}}^1$

素因数の和:15307

約数の個数: 32

約数和(自身を含む): 11008800

約数和(自身を除く): 6727880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 15289, 30578, 61156, 76445, 107023, 122312, 152890, 214046, 305780, 428092, 535115, 611560, 856184, 1070230, 2140460, 4280920]

約数ペア:

[(1, 4280920), (2, 2140460), (4, 1070230), (5, 856184), (7, 611560), (8, 535115), (10, 428092), (14, 305780), (20, 214046), (28, 152890), (35, 122312), (40, 107023), (56, 76445), (70, 61156), (140, 30578), (280, 15289)]