291295620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21017}}^1$

素因数の和:21050

約数の個数: 144

約数和(自身を含む): 1101679488

約数和(自身を除く): 810383868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 21017, 42034, 63051, 84068, 105085, 126102, 147119, 189153, 210170, 231187, 252204, 294238, 315255, 378306, 420340, 441357, 462374, 588476, 630510, 693561, 735595, 756612, 882714, 924748, 945765, 1155935, 1261020, 1324071, 1387122, 1471190, 1618309, 1765428, 1891530, 2080683, 2206785, 2311870, 2648142, 2774244, 2942380, 3236618, 3467805, 3783060, 4161366, 4413570, 4623740, 4854927, 5296284, 6473236, 6620355, 6935610, 8091545, 8322732, 8827140, 9709854, 10403415, 13240710, 13871220, 14564781, 16183090, 19419708, 20806830, 24274635, 26481420, 29129562, 32366180, 41613660, 48549270, 58259124, 72823905, 97098540, 145647810, 291295620]

約数ペア:

[(1, 291295620), (2, 145647810), (3, 97098540), (4, 72823905), (5, 58259124), (6, 48549270), (7, 41613660), (9, 32366180), (10, 29129562), (11, 26481420), (12, 24274635), (14, 20806830), (15, 19419708), (18, 16183090), (20, 14564781), (21, 13871220), (22, 13240710), (28, 10403415), (30, 9709854), (33, 8827140), (35, 8322732), (36, 8091545), (42, 6935610), (44, 6620355), (45, 6473236), (55, 5296284), (60, 4854927), (63, 4623740), (66, 4413570), (70, 4161366), (77, 3783060), (84, 3467805), (90, 3236618), (99, 2942380), (105, 2774244), (110, 2648142), (126, 2311870), (132, 2206785), (140, 2080683), (154, 1891530), (165, 1765428), (180, 1618309), (198, 1471190), (210, 1387122), (220, 1324071), (231, 1261020), (252, 1155935), (308, 945765), (315, 924748), (330, 882714), (385, 756612), (396, 735595), (420, 693561), (462, 630510), (495, 588476), (630, 462374), (660, 441357), (693, 420340), (770, 378306), (924, 315255), (990, 294238), (1155, 252204), (1260, 231187), (1386, 210170), (1540, 189153), (1980, 147119), (2310, 126102), (2772, 105085), (3465, 84068), (4620, 63051), (6930, 42034), (13860, 21017)]