9787820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 23697408

約数和(自身を除く): 13909588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 463, 604, 755, 926, 1057, 1510, 1852, 2114, 2315, 3020, 3241, 4228, 4630, 5285, 6482, 9260, 10570, 12964, 16205, 21140, 32410, 64820, 69913, 139826, 279652, 349565, 489391, 699130, 978782, 1398260, 1957564, 2446955, 4893910, 9787820]

約数ペア:

[(1, 9787820), (2, 4893910), (4, 2446955), (5, 1957564), (7, 1398260), (10, 978782), (14, 699130), (20, 489391), (28, 349565), (35, 279652), (70, 139826), (140, 69913), (151, 64820), (302, 32410), (463, 21140), (604, 16205), (755, 12964), (926, 10570), (1057, 9260), (1510, 6482), (1852, 5285), (2114, 4630), (2315, 4228), (3020, 3241)]