208545962680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{80429}}^1$

素因数の和:80605

約数の個数: 128

約数和(自身を含む): 525355891200

約数和(自身を除く): 316809928520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 83, 88, 110, 142, 166, 220, 284, 332, 355, 415, 440, 568, 664, 710, 781, 830, 913, 1420, 1562, 1660, 1826, 2840, 3124, 3320, 3652, 3905, 4565, 5893, 6248, 7304, 7810, 9130, 11786, 15620, 18260, 23572, 29465, 31240, 36520, 47144, 58930, 64823, 80429, 117860, 129646, 160858, 235720, 259292, 321716, 324115, 402145, 518584, 643432, 648230, 804290, 884719, 1296460, 1608580, 1769438, 2592920, 3217160, 3538876, 4423595, 5710459, 6675607, 7077752, 8847190, 11420918, 13351214, 17694380, 22841836, 26702428, 28552295, 33378035, 35388760, 45683672, 53404856, 57104590, 62815049, 66756070, 73431677, 114209180, 125630098, 133512140, 146863354, 228418360, 251260196, 267024280, 293726708, 314075245, 367158385, 473968097, 502520392, 587453416, 628150490, 734316770, 947936194, 1256300980, 1468633540, 1895872388, 2369840485, 2512601960, 2937267080, 3791744776, 4739680970, 5213649067, 9479361940, 10427298134, 18958723880, 20854596268, 26068245335, 41709192536, 52136490670, 104272981340, 208545962680]

約数ペア:

[(1, 208545962680), (2, 104272981340), (4, 52136490670), (5, 41709192536), (8, 26068245335), (10, 20854596268), (11, 18958723880), (20, 10427298134), (22, 9479361940), (40, 5213649067), (44, 4739680970), (55, 3791744776), (71, 2937267080), (83, 2512601960), (88, 2369840485), (110, 1895872388), (142, 1468633540), (166, 1256300980), (220, 947936194), (284, 734316770), (332, 628150490), (355, 587453416), (415, 502520392), (440, 473968097), (568, 367158385), (664, 314075245), (710, 293726708), (781, 267024280), (830, 251260196), (913, 228418360), (1420, 146863354), (1562, 133512140), (1660, 125630098), (1826, 114209180), (2840, 73431677), (3124, 66756070), (3320, 62815049), (3652, 57104590), (3905, 53404856), (4565, 45683672), (5893, 35388760), (6248, 33378035), (7304, 28552295), (7810, 26702428), (9130, 22841836), (11786, 17694380), (15620, 13351214), (18260, 11420918), (23572, 8847190), (29465, 7077752), (31240, 6675607), (36520, 5710459), (47144, 4423595), (58930, 3538876), (64823, 3217160), (80429, 2592920), (117860, 1769438), (129646, 1608580), (160858, 1296460), (235720, 884719), (259292, 804290), (321716, 648230), (324115, 643432), (402145, 518584)]