20180771030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{5861}}^1\times {\mathrm{7027}}^1$

素因数の和:12909

約数の個数: 48

約数和(自身を含む): 42269287536

約数和(自身を除く): 22088516506

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 5861, 7027, 11722, 14054, 29305, 35135, 41027, 49189, 58610, 70270, 82054, 98378, 205135, 245945, 287189, 344323, 410270, 491890, 574378, 688646, 1435945, 1721615, 2871890, 3443230, 41185247, 82370494, 205926235, 288296729, 411852470, 576593458, 1441483645, 2018077103, 2882967290, 4036154206, 10090385515, 20180771030]

約数ペア:

[(1, 20180771030), (2, 10090385515), (5, 4036154206), (7, 2882967290), (10, 2018077103), (14, 1441483645), (35, 576593458), (49, 411852470), (70, 288296729), (98, 205926235), (245, 82370494), (490, 41185247), (5861, 3443230), (7027, 2871890), (11722, 1721615), (14054, 1435945), (29305, 688646), (35135, 574378), (41027, 491890), (49189, 410270), (58610, 344323), (70270, 287189), (82054, 245945), (98378, 205135)]