20776376500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{198817}}^1$

素因数の和:198866

約数の個数: 96

約数和(自身を含む): 52106221440

約数和(自身を除く): 31329844940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 125, 190, 209, 220, 250, 275, 380, 418, 475, 500, 550, 836, 950, 1045, 1100, 1375, 1900, 2090, 2375, 2750, 4180, 4750, 5225, 5500, 9500, 10450, 20900, 26125, 52250, 104500, 198817, 397634, 795268, 994085, 1988170, 2186987, 3777523, 3976340, 4373974, 4970425, 7555046, 8747948, 9940850, 10934935, 15110092, 18887615, 19881700, 21869870, 24852125, 37775230, 41552753, 43739740, 49704250, 54674675, 75550460, 83105506, 94438075, 99408500, 109349350, 166211012, 188876150, 207763765, 218698700, 273373375, 377752300, 415527530, 472190375, 546746750, 831055060, 944380750, 1038818825, 1093493500, 1888761500, 2077637650, 4155275300, 5194094125, 10388188250, 20776376500]

約数ペア:

[(1, 20776376500), (2, 10388188250), (4, 5194094125), (5, 4155275300), (10, 2077637650), (11, 1888761500), (19, 1093493500), (20, 1038818825), (22, 944380750), (25, 831055060), (38, 546746750), (44, 472190375), (50, 415527530), (55, 377752300), (76, 273373375), (95, 218698700), (100, 207763765), (110, 188876150), (125, 166211012), (190, 109349350), (209, 99408500), (220, 94438075), (250, 83105506), (275, 75550460), (380, 54674675), (418, 49704250), (475, 43739740), (500, 41552753), (550, 37775230), (836, 24852125), (950, 21869870), (1045, 19881700), (1100, 18887615), (1375, 15110092), (1900, 10934935), (2090, 9940850), (2375, 8747948), (2750, 7555046), (4180, 4970425), (4750, 4373974), (5225, 3976340), (5500, 3777523), (9500, 2186987), (10450, 1988170), (20900, 994085), (26125, 795268), (52250, 397634), (104500, 198817)]