171171770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 406093824

約数和(自身を除く): 234922054

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 71, 77, 101, 110, 142, 154, 155, 202, 217, 310, 341, 355, 385, 434, 497, 505, 682, 707, 710, 770, 781, 994, 1010, 1085, 1111, 1414, 1562, 1705, 2170, 2201, 2222, 2387, 2485, 3131, 3410, 3535, 3905, 4402, 4774, 4970, 5467, 5555, 6262, 7070, 7171, 7777, 7810, 10934, 11005, 11110, 11935, 14342, 15407, 15554, 15655, 21917, 22010, 23870, 24211, 27335, 30814, 31310, 34441, 35855, 38885, 43834, 48422, 50197, 54670, 68882, 71710, 77035, 77770, 78881, 100394, 109585, 121055, 154070, 157762, 169477, 172205, 219170, 222301, 241087, 242110, 250985, 338954, 344410, 394405, 444602, 482174, 501970, 552167, 788810, 847385, 1104334, 1111505, 1205435, 1556107, 1694770, 2223010, 2410870, 2445311, 2760835, 3112214, 4890622, 5521670, 7780535, 12226555, 15561070, 17117177, 24453110, 34234354, 85585885, 171171770]

約数ペア:

[(1, 171171770), (2, 85585885), (5, 34234354), (7, 24453110), (10, 17117177), (11, 15561070), (14, 12226555), (22, 7780535), (31, 5521670), (35, 4890622), (55, 3112214), (62, 2760835), (70, 2445311), (71, 2410870), (77, 2223010), (101, 1694770), (110, 1556107), (142, 1205435), (154, 1111505), (155, 1104334), (202, 847385), (217, 788810), (310, 552167), (341, 501970), (355, 482174), (385, 444602), (434, 394405), (497, 344410), (505, 338954), (682, 250985), (707, 242110), (710, 241087), (770, 222301), (781, 219170), (994, 172205), (1010, 169477), (1085, 157762), (1111, 154070), (1414, 121055), (1562, 109585), (1705, 100394), (2170, 78881), (2201, 77770), (2222, 77035), (2387, 71710), (2485, 68882), (3131, 54670), (3410, 50197), (3535, 48422), (3905, 43834), (4402, 38885), (4774, 35855), (4970, 34441), (5467, 31310), (5555, 30814), (6262, 27335), (7070, 24211), (7171, 23870), (7777, 22010), (7810, 21917), (10934, 15655), (11005, 15554), (11110, 15407), (11935, 14342)]