2121801250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2261

約数の個数: 80

約数和(自身を含む): 4290501600

約数和(自身を除く): 2168700350

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 125, 190, 205, 250, 410, 475, 625, 779, 950, 1025, 1250, 1558, 2050, 2179, 2375, 3895, 4358, 4750, 5125, 7790, 10250, 10895, 11875, 19475, 21790, 23750, 25625, 38950, 41401, 51250, 54475, 82802, 89339, 97375, 108950, 178678, 194750, 207005, 272375, 414010, 446695, 486875, 544750, 893390, 973750, 1035025, 1361875, 1697441, 2070050, 2233475, 2723750, 3394882, 4466950, 5175125, 8487205, 10350250, 11167375, 16974410, 22334750, 25875625, 42436025, 51751250, 55836875, 84872050, 111673750, 212180125, 424360250, 1060900625, 2121801250]

約数ペア:

[(1, 2121801250), (2, 1060900625), (5, 424360250), (10, 212180125), (19, 111673750), (25, 84872050), (38, 55836875), (41, 51751250), (50, 42436025), (82, 25875625), (95, 22334750), (125, 16974410), (190, 11167375), (205, 10350250), (250, 8487205), (410, 5175125), (475, 4466950), (625, 3394882), (779, 2723750), (950, 2233475), (1025, 2070050), (1250, 1697441), (1558, 1361875), (2050, 1035025), (2179, 973750), (2375, 893390), (3895, 544750), (4358, 486875), (4750, 446695), (5125, 414010), (7790, 272375), (10250, 207005), (10895, 194750), (11875, 178678), (19475, 108950), (21790, 97375), (23750, 89339), (25625, 82802), (38950, 54475), (41401, 51250)]