16914520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 43859520

約数和(自身を除く): 26945000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 313, 386, 626, 772, 965, 1252, 1351, 1544, 1565, 1930, 2191, 2504, 2702, 3130, 3860, 4382, 5404, 6260, 6755, 7720, 8764, 10808, 10955, 12520, 13510, 17528, 21910, 27020, 43820, 54040, 60409, 87640, 120818, 241636, 302045, 422863, 483272, 604090, 845726, 1208180, 1691452, 2114315, 2416360, 3382904, 4228630, 8457260, 16914520]

約数ペア:

[(1, 16914520), (2, 8457260), (4, 4228630), (5, 3382904), (7, 2416360), (8, 2114315), (10, 1691452), (14, 1208180), (20, 845726), (28, 604090), (35, 483272), (40, 422863), (56, 302045), (70, 241636), (140, 120818), (193, 87640), (280, 60409), (313, 54040), (386, 43820), (626, 27020), (772, 21910), (965, 17528), (1252, 13510), (1351, 12520), (1544, 10955), (1565, 10808), (1930, 8764), (2191, 7720), (2504, 6755), (2702, 6260), (3130, 5404), (3860, 4382)]