247708370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{20939}}^1$

素因数の和:20979

約数の個数: 48

約数和(自身を含む): 551810880

約数和(自身を除く): 304102510

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 2366, 5915, 11830, 20939, 41878, 104695, 146573, 209390, 272207, 293146, 544414, 732865, 1361035, 1465730, 1905449, 2722070, 3538691, 3810898, 7077382, 9527245, 17693455, 19054490, 24770837, 35386910, 49541674, 123854185, 247708370]

約数ペア:

[(1, 247708370), (2, 123854185), (5, 49541674), (7, 35386910), (10, 24770837), (13, 19054490), (14, 17693455), (26, 9527245), (35, 7077382), (65, 3810898), (70, 3538691), (91, 2722070), (130, 1905449), (169, 1465730), (182, 1361035), (338, 732865), (455, 544414), (845, 293146), (910, 272207), (1183, 209390), (1690, 146573), (2366, 104695), (5915, 41878), (11830, 20939)]