27974380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{947}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 67527936

約数和(自身を除く): 39553556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 947, 1055, 1477, 1894, 2110, 2954, 3788, 4220, 4735, 5908, 6629, 7385, 9470, 13258, 14770, 18940, 26516, 29540, 33145, 66290, 132580, 199817, 399634, 799268, 999085, 1398719, 1998170, 2797438, 3996340, 5594876, 6993595, 13987190, 27974380]

約数ペア:

[(1, 27974380), (2, 13987190), (4, 6993595), (5, 5594876), (7, 3996340), (10, 2797438), (14, 1998170), (20, 1398719), (28, 999085), (35, 799268), (70, 399634), (140, 199817), (211, 132580), (422, 66290), (844, 33145), (947, 29540), (1055, 26516), (1477, 18940), (1894, 14770), (2110, 13258), (2954, 9470), (3788, 7385), (4220, 6629), (4735, 5908)]