2019487540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{306913}}^1$

素因数の和:306976

約数の個数: 48

約数和(自身を含む): 4949908992

約数和(自身を除く): 2930421452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 306913, 613826, 1227652, 1534565, 2148391, 3069130, 4296782, 6138260, 8593564, 10741955, 14424911, 21483910, 28849822, 42967820, 57699644, 72124555, 100974377, 144249110, 201948754, 288498220, 403897508, 504871885, 1009743770, 2019487540]

約数ペア:

[(1, 2019487540), (2, 1009743770), (4, 504871885), (5, 403897508), (7, 288498220), (10, 201948754), (14, 144249110), (20, 100974377), (28, 72124555), (35, 57699644), (47, 42967820), (70, 28849822), (94, 21483910), (140, 14424911), (188, 10741955), (235, 8593564), (329, 6138260), (470, 4296782), (658, 3069130), (940, 2148391), (1316, 1534565), (1645, 1227652), (3290, 613826), (6580, 306913)]