511820540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 1412038656

約数和(自身を除く): 900218116

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 71, 77, 110, 124, 140, 142, 151, 154, 155, 217, 220, 284, 302, 308, 310, 341, 355, 385, 434, 497, 604, 620, 682, 710, 755, 770, 781, 868, 994, 1057, 1085, 1364, 1420, 1510, 1540, 1562, 1661, 1705, 1988, 2114, 2170, 2201, 2387, 2485, 3020, 3124, 3322, 3410, 3905, 4228, 4340, 4402, 4681, 4774, 4970, 5285, 5467, 6644, 6820, 7810, 8305, 8804, 9362, 9548, 9940, 10570, 10721, 10934, 11005, 11627, 11935, 15407, 15620, 16610, 18724, 21140, 21442, 21868, 22010, 23254, 23405, 23870, 24211, 27335, 30814, 32767, 33220, 42884, 44020, 46508, 46810, 47740, 48422, 51491, 53605, 54670, 58135, 61628, 65534, 75047, 77035, 93620, 96844, 102982, 107210, 109340, 116270, 117931, 121055, 131068, 150094, 154070, 163835, 169477, 205964, 214420, 232540, 235862, 242110, 257455, 300188, 308140, 327670, 332351, 338954, 360437, 375235, 471724, 484220, 514910, 589655, 655340, 664702, 677908, 720874, 750470, 825517, 847385, 1029820, 1179310, 1329404, 1441748, 1500940, 1651034, 1661755, 1694770, 1802185, 2326457, 2358620, 3302068, 3323510, 3389540, 3604370, 3655861, 4127585, 4652914, 6647020, 7208740, 7311722, 8255170, 9305828, 11632285, 14623444, 16510340, 18279305, 23264570, 25591027, 36558610, 46529140, 51182054, 73117220, 102364108, 127955135, 255910270, 511820540]

約数ペア:

[(1, 511820540), (2, 255910270), (4, 127955135), (5, 102364108), (7, 73117220), (10, 51182054), (11, 46529140), (14, 36558610), (20, 25591027), (22, 23264570), (28, 18279305), (31, 16510340), (35, 14623444), (44, 11632285), (55, 9305828), (62, 8255170), (70, 7311722), (71, 7208740), (77, 6647020), (110, 4652914), (124, 4127585), (140, 3655861), (142, 3604370), (151, 3389540), (154, 3323510), (155, 3302068), (217, 2358620), (220, 2326457), (284, 1802185), (302, 1694770), (308, 1661755), (310, 1651034), (341, 1500940), (355, 1441748), (385, 1329404), (434, 1179310), (497, 1029820), (604, 847385), (620, 825517), (682, 750470), (710, 720874), (755, 677908), (770, 664702), (781, 655340), (868, 589655), (994, 514910), (1057, 484220), (1085, 471724), (1364, 375235), (1420, 360437), (1510, 338954), (1540, 332351), (1562, 327670), (1661, 308140), (1705, 300188), (1988, 257455), (2114, 242110), (2170, 235862), (2201, 232540), (2387, 214420), (2485, 205964), (3020, 169477), (3124, 163835), (3322, 154070), (3410, 150094), (3905, 131068), (4228, 121055), (4340, 117931), (4402, 116270), (4681, 109340), (4774, 107210), (4970, 102982), (5285, 96844), (5467, 93620), (6644, 77035), (6820, 75047), (7810, 65534), (8305, 61628), (8804, 58135), (9362, 54670), (9548, 53605), (9940, 51491), (10570, 48422), (10721, 47740), (10934, 46810), (11005, 46508), (11627, 44020), (11935, 42884), (15407, 33220), (15620, 32767), (16610, 30814), (18724, 27335), (21140, 24211), (21442, 23870), (21868, 23405), (22010, 23254)]