1900207260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{215443}}^1$

素因数の和:215472

約数の個数: 108

約数和(自身を含む): 6705048168

約数和(自身を除く): 4804840908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 215443, 430886, 646329, 861772, 1077215, 1292658, 1508101, 1938987, 2154430, 2585316, 3016202, 3231645, 3877974, 4308860, 4524303, 6032404, 6463290, 7540505, 7755948, 9048606, 9694935, 10556707, 12926580, 13572909, 15081010, 18097212, 19389870, 21113414, 22621515, 27145818, 30162020, 31670121, 38779740, 42226828, 45243030, 52783535, 54291636, 63340242, 67864545, 90486060, 95010363, 105567070, 126680484, 135729090, 158350605, 190020726, 211134140, 271458180, 316701210, 380041452, 475051815, 633402420, 950103630, 1900207260]

約数ペア:

[(1, 1900207260), (2, 950103630), (3, 633402420), (4, 475051815), (5, 380041452), (6, 316701210), (7, 271458180), (9, 211134140), (10, 190020726), (12, 158350605), (14, 135729090), (15, 126680484), (18, 105567070), (20, 95010363), (21, 90486060), (28, 67864545), (30, 63340242), (35, 54291636), (36, 52783535), (42, 45243030), (45, 42226828), (49, 38779740), (60, 31670121), (63, 30162020), (70, 27145818), (84, 22621515), (90, 21113414), (98, 19389870), (105, 18097212), (126, 15081010), (140, 13572909), (147, 12926580), (180, 10556707), (196, 9694935), (210, 9048606), (245, 7755948), (252, 7540505), (294, 6463290), (315, 6032404), (420, 4524303), (441, 4308860), (490, 3877974), (588, 3231645), (630, 3016202), (735, 2585316), (882, 2154430), (980, 1938987), (1260, 1508101), (1470, 1292658), (1764, 1077215), (2205, 861772), (2940, 646329), (4410, 430886), (8820, 215443)]