684460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4889}}^1$

素因数の和:4905

約数の個数: 24

約数和(自身を含む): 1643040

約数和(自身を除く): 958580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4889, 9778, 19556, 24445, 34223, 48890, 68446, 97780, 136892, 171115, 342230, 684460]

約数ペア:

[(1, 684460), (2, 342230), (4, 171115), (5, 136892), (7, 97780), (10, 68446), (14, 48890), (20, 34223), (28, 24445), (35, 19556), (70, 9778), (140, 4889)]