28486173520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{421}}^2$

素因数の和:910

約数の個数: 180

約数和(自身を含む): 79110491292

約数和(自身を除く): 50624317772

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 421, 490, 560, 574, 656, 784, 820, 842, 980, 1148, 1435, 1640, 1684, 1960, 2009, 2105, 2296, 2870, 2947, 3280, 3368, 3920, 4018, 4210, 4592, 5740, 5894, 6736, 8036, 8420, 10045, 11480, 11788, 14735, 16072, 16840, 17261, 20090, 20629, 22960, 23576, 29470, 32144, 33680, 34522, 40180, 41258, 47152, 58940, 69044, 80360, 82516, 86305, 103145, 117880, 120827, 138088, 160720, 165032, 172610, 177241, 206290, 235760, 241654, 276176, 330064, 345220, 354482, 412580, 483308, 604135, 690440, 708964, 825160, 845789, 886205, 966616, 1208270, 1240687, 1380880, 1417928, 1650320, 1691578, 1772410, 1933232, 2416540, 2481374, 2835856, 3383156, 3544820, 4228945, 4833080, 4962748, 6203435, 6766312, 7089640, 7266881, 8457890, 8684809, 9666160, 9925496, 12406870, 13532624, 14179280, 14533762, 16915780, 17369618, 19850992, 24813740, 29067524, 33831560, 34739236, 36334405, 43424045, 49627480, 50868167, 58135048, 67663120, 69478472, 72668810, 86848090, 99254960, 101736334, 116270096, 138956944, 145337620, 173696180, 203472668, 254340835, 290675240, 347392360, 356077169, 406945336, 508681670, 581350480, 694784720, 712154338, 813890672, 1017363340, 1424308676, 1780385845, 2034726680, 2848617352, 3560771690, 4069453360, 5697234704, 7121543380, 14243086760, 28486173520]

約数ペア:

[(1, 28486173520), (2, 14243086760), (4, 7121543380), (5, 5697234704), (7, 4069453360), (8, 3560771690), (10, 2848617352), (14, 2034726680), (16, 1780385845), (20, 1424308676), (28, 1017363340), (35, 813890672), (40, 712154338), (41, 694784720), (49, 581350480), (56, 508681670), (70, 406945336), (80, 356077169), (82, 347392360), (98, 290675240), (112, 254340835), (140, 203472668), (164, 173696180), (196, 145337620), (205, 138956944), (245, 116270096), (280, 101736334), (287, 99254960), (328, 86848090), (392, 72668810), (410, 69478472), (421, 67663120), (490, 58135048), (560, 50868167), (574, 49627480), (656, 43424045), (784, 36334405), (820, 34739236), (842, 33831560), (980, 29067524), (1148, 24813740), (1435, 19850992), (1640, 17369618), (1684, 16915780), (1960, 14533762), (2009, 14179280), (2105, 13532624), (2296, 12406870), (2870, 9925496), (2947, 9666160), (3280, 8684809), (3368, 8457890), (3920, 7266881), (4018, 7089640), (4210, 6766312), (4592, 6203435), (5740, 4962748), (5894, 4833080), (6736, 4228945), (8036, 3544820), (8420, 3383156), (10045, 2835856), (11480, 2481374), (11788, 2416540), (14735, 1933232), (16072, 1772410), (16840, 1691578), (17261, 1650320), (20090, 1417928), (20629, 1380880), (22960, 1240687), (23576, 1208270), (29470, 966616), (32144, 886205), (33680, 845789), (34522, 825160), (40180, 708964), (41258, 690440), (47152, 604135), (58940, 483308), (69044, 412580), (80360, 354482), (82516, 345220), (86305, 330064), (103145, 276176), (117880, 241654), (120827, 235760), (138088, 206290), (160720, 177241), (165032, 172610)]