18355993390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1559}}^1\times {\mathrm{24029}}^1$

素因数の和:25609

約数の個数: 48

約数和(自身を含む): 38461456800

約数和(自身を除く): 20105463410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1559, 3118, 7795, 10913, 15590, 21826, 24029, 48058, 54565, 76391, 109130, 120145, 152782, 168203, 240290, 336406, 381955, 763910, 841015, 1177421, 1682030, 2354842, 5887105, 11774210, 37461211, 74922422, 187306055, 262228477, 374612110, 524456954, 1311142385, 1835599339, 2622284770, 3671198678, 9177996695, 18355993390]

約数ペア:

[(1, 18355993390), (2, 9177996695), (5, 3671198678), (7, 2622284770), (10, 1835599339), (14, 1311142385), (35, 524456954), (49, 374612110), (70, 262228477), (98, 187306055), (245, 74922422), (490, 37461211), (1559, 11774210), (3118, 5887105), (7795, 2354842), (10913, 1682030), (15590, 1177421), (21826, 841015), (24029, 763910), (48058, 381955), (54565, 336406), (76391, 240290), (109130, 168203), (120145, 152782)]