2642920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9439}}^1$

素因数の和:9457

約数の個数: 32

約数和(自身を含む): 6796800

約数和(自身を除く): 4153880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9439, 18878, 37756, 47195, 66073, 75512, 94390, 132146, 188780, 264292, 330365, 377560, 528584, 660730, 1321460, 2642920]

約数ペア:

[(1, 2642920), (2, 1321460), (4, 660730), (5, 528584), (7, 377560), (8, 330365), (10, 264292), (14, 188780), (20, 132146), (28, 94390), (35, 75512), (40, 66073), (56, 47195), (70, 37756), (140, 18878), (280, 9439)]