7414540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 17950464

約数和(自身を除く): 10535924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 251, 422, 502, 844, 1004, 1055, 1255, 1477, 1757, 2110, 2510, 2954, 3514, 4220, 5020, 5908, 7028, 7385, 8785, 14770, 17570, 29540, 35140, 52961, 105922, 211844, 264805, 370727, 529610, 741454, 1059220, 1482908, 1853635, 3707270, 7414540]

約数ペア:

[(1, 7414540), (2, 3707270), (4, 1853635), (5, 1482908), (7, 1059220), (10, 741454), (14, 529610), (20, 370727), (28, 264805), (35, 211844), (70, 105922), (140, 52961), (211, 35140), (251, 29540), (422, 17570), (502, 14770), (844, 8785), (1004, 7385), (1055, 7028), (1255, 5908), (1477, 5020), (1757, 4220), (2110, 3514), (2510, 2954)]