777423020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{701}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 1809020304

約数和(自身を除く): 1031597284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 701, 710, 781, 1402, 1420, 1562, 2804, 3124, 3505, 3905, 5041, 7010, 7711, 7810, 10082, 14020, 15422, 15620, 20164, 25205, 30844, 38555, 49771, 50410, 55451, 77110, 99542, 100820, 110902, 154220, 199084, 221804, 248855, 277255, 497710, 547481, 554510, 995420, 1094962, 1109020, 2189924, 2737405, 3533741, 5474810, 7067482, 10949620, 14134964, 17668705, 35337410, 38871151, 70674820, 77742302, 155484604, 194355755, 388711510, 777423020]

約数ペア:

[(1, 777423020), (2, 388711510), (4, 194355755), (5, 155484604), (10, 77742302), (11, 70674820), (20, 38871151), (22, 35337410), (44, 17668705), (55, 14134964), (71, 10949620), (110, 7067482), (142, 5474810), (220, 3533741), (284, 2737405), (355, 2189924), (701, 1109020), (710, 1094962), (781, 995420), (1402, 554510), (1420, 547481), (1562, 497710), (2804, 277255), (3124, 248855), (3505, 221804), (3905, 199084), (5041, 154220), (7010, 110902), (7711, 100820), (7810, 99542), (10082, 77110), (14020, 55451), (15422, 50410), (15620, 49771), (20164, 38555), (25205, 30844)]