2838920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10139}}^1$

素因数の和:10157

約数の個数: 32

約数和(自身を含む): 7300800

約数和(自身を除く): 4461880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10139, 20278, 40556, 50695, 70973, 81112, 101390, 141946, 202780, 283892, 354865, 405560, 567784, 709730, 1419460, 2838920]

約数ペア:

[(1, 2838920), (2, 1419460), (4, 709730), (5, 567784), (7, 405560), (8, 354865), (10, 283892), (14, 202780), (20, 141946), (28, 101390), (35, 81112), (40, 70973), (56, 50695), (70, 40556), (140, 20278), (280, 10139)]