1898680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6781}}^1$

素因数の和:6799

約数の個数: 32

約数和(自身を含む): 4883040

約数和(自身を除く): 2984360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6781, 13562, 27124, 33905, 47467, 54248, 67810, 94934, 135620, 189868, 237335, 271240, 379736, 474670, 949340, 1898680]

約数ペア:

[(1, 1898680), (2, 949340), (4, 474670), (5, 379736), (7, 271240), (8, 237335), (10, 189868), (14, 135620), (20, 94934), (28, 67810), (35, 54248), (40, 47467), (56, 33905), (70, 27124), (140, 13562), (280, 6781)]