217620970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{8807}}^1$

素因数の和:9174

約数の個数: 32

約数和(自身を含む): 448996608

約数和(自身を除く): 231375638

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 353, 706, 1765, 2471, 3530, 4942, 8807, 12355, 17614, 24710, 44035, 61649, 88070, 123298, 308245, 616490, 3108871, 6217742, 15544355, 21762097, 31088710, 43524194, 108810485, 217620970]

約数ペア:

[(1, 217620970), (2, 108810485), (5, 43524194), (7, 31088710), (10, 21762097), (14, 15544355), (35, 6217742), (70, 3108871), (353, 616490), (706, 308245), (1765, 123298), (2471, 88070), (3530, 61649), (4942, 44035), (8807, 24710), (12355, 17614)]