2738680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9781}}^1$

素因数の和:9799

約数の個数: 32

約数和(自身を含む): 7043040

約数和(自身を除く): 4304360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9781, 19562, 39124, 48905, 68467, 78248, 97810, 136934, 195620, 273868, 342335, 391240, 547736, 684670, 1369340, 2738680]

約数ペア:

[(1, 2738680), (2, 1369340), (4, 684670), (5, 547736), (7, 391240), (8, 342335), (10, 273868), (14, 195620), (20, 136934), (28, 97810), (35, 78248), (40, 68467), (56, 48905), (70, 39124), (140, 19562), (280, 9781)]