285174890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:988

約数の個数: 128

約数和(自身を含む): 712212480

約数和(自身を除く): 427037590

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 31, 35, 55, 62, 65, 70, 77, 91, 110, 130, 143, 154, 155, 182, 217, 286, 310, 341, 385, 403, 434, 455, 682, 715, 770, 806, 910, 919, 1001, 1085, 1430, 1705, 1838, 2002, 2015, 2170, 2387, 2821, 3410, 4030, 4433, 4595, 4774, 5005, 5642, 6433, 8866, 9190, 10010, 10109, 11935, 11947, 12866, 14105, 20218, 22165, 23870, 23894, 28210, 28489, 31031, 32165, 44330, 50545, 56978, 59735, 62062, 64330, 70763, 83629, 101090, 119470, 131417, 141526, 142445, 155155, 167258, 199423, 262834, 284890, 310310, 313379, 353815, 370357, 398846, 418145, 626758, 657085, 707630, 740714, 836290, 919919, 997115, 1314170, 1566895, 1839838, 1851785, 1994230, 2193653, 2592499, 3133790, 3703570, 4073927, 4387306, 4599595, 5184998, 8147854, 9199190, 10968265, 12962495, 20369635, 21936530, 25924990, 28517489, 40739270, 57034978, 142587445, 285174890]

約数ペア:

[(1, 285174890), (2, 142587445), (5, 57034978), (7, 40739270), (10, 28517489), (11, 25924990), (13, 21936530), (14, 20369635), (22, 12962495), (26, 10968265), (31, 9199190), (35, 8147854), (55, 5184998), (62, 4599595), (65, 4387306), (70, 4073927), (77, 3703570), (91, 3133790), (110, 2592499), (130, 2193653), (143, 1994230), (154, 1851785), (155, 1839838), (182, 1566895), (217, 1314170), (286, 997115), (310, 919919), (341, 836290), (385, 740714), (403, 707630), (434, 657085), (455, 626758), (682, 418145), (715, 398846), (770, 370357), (806, 353815), (910, 313379), (919, 310310), (1001, 284890), (1085, 262834), (1430, 199423), (1705, 167258), (1838, 155155), (2002, 142445), (2015, 141526), (2170, 131417), (2387, 119470), (2821, 101090), (3410, 83629), (4030, 70763), (4433, 64330), (4595, 62062), (4774, 59735), (5005, 56978), (5642, 50545), (6433, 44330), (8866, 32165), (9190, 31031), (10010, 28489), (10109, 28210), (11935, 23894), (11947, 23870), (12866, 22165), (14105, 20218)]