201821756680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{538651}}^1$

素因数の和:538727

約数の個数: 128

約数和(自身を含む): 523569744000

約数和(自身を除く): 321747987320

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 85, 95, 116, 136, 145, 152, 170, 190, 232, 290, 323, 340, 380, 493, 551, 580, 646, 680, 760, 986, 1102, 1160, 1292, 1615, 1972, 2204, 2465, 2584, 2755, 3230, 3944, 4408, 4930, 5510, 6460, 9367, 9860, 11020, 12920, 18734, 19720, 22040, 37468, 46835, 74936, 93670, 187340, 374680, 538651, 1077302, 2154604, 2693255, 4309208, 5386510, 9157067, 10234369, 10773020, 15620879, 18314134, 20468738, 21546040, 31241758, 36628268, 40937476, 45785335, 51171845, 62483516, 73256536, 78104395, 81874952, 91570670, 102343690, 124967032, 156208790, 173984273, 183141340, 204687380, 265554943, 296796701, 312417580, 347968546, 366282680, 409374760, 531109886, 593593402, 624835160, 695937092, 869921365, 1062219772, 1187186804, 1327774715, 1391874184, 1483983505, 1739842730, 2124439544, 2374373608, 2655549430, 2967967010, 3479685460, 5045543917, 5311098860, 5935934020, 6959370920, 10091087834, 10622197720, 11871868040, 20182175668, 25227719585, 40364351336, 50455439170, 100910878340, 201821756680]

約数ペア:

[(1, 201821756680), (2, 100910878340), (4, 50455439170), (5, 40364351336), (8, 25227719585), (10, 20182175668), (17, 11871868040), (19, 10622197720), (20, 10091087834), (29, 6959370920), (34, 5935934020), (38, 5311098860), (40, 5045543917), (58, 3479685460), (68, 2967967010), (76, 2655549430), (85, 2374373608), (95, 2124439544), (116, 1739842730), (136, 1483983505), (145, 1391874184), (152, 1327774715), (170, 1187186804), (190, 1062219772), (232, 869921365), (290, 695937092), (323, 624835160), (340, 593593402), (380, 531109886), (493, 409374760), (551, 366282680), (580, 347968546), (646, 312417580), (680, 296796701), (760, 265554943), (986, 204687380), (1102, 183141340), (1160, 173984273), (1292, 156208790), (1615, 124967032), (1972, 102343690), (2204, 91570670), (2465, 81874952), (2584, 78104395), (2755, 73256536), (3230, 62483516), (3944, 51171845), (4408, 45785335), (4930, 40937476), (5510, 36628268), (6460, 31241758), (9367, 21546040), (9860, 20468738), (11020, 18314134), (12920, 15620879), (18734, 10773020), (19720, 10234369), (22040, 9157067), (37468, 5386510), (46835, 4309208), (74936, 2693255), (93670, 2154604), (187340, 1077302), (374680, 538651)]