255925890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 743940288

約数和(自身を除く): 488014398

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 71, 90, 99, 110, 121, 142, 165, 198, 213, 242, 330, 331, 355, 363, 426, 495, 605, 639, 662, 710, 726, 781, 990, 993, 1065, 1089, 1210, 1278, 1562, 1655, 1815, 1986, 2130, 2178, 2343, 2979, 3195, 3310, 3630, 3641, 3905, 4686, 4965, 5445, 5958, 6390, 7029, 7282, 7810, 8591, 9930, 10890, 10923, 11715, 14058, 14895, 17182, 18205, 21846, 23430, 23501, 25773, 29790, 32769, 35145, 36410, 40051, 42955, 47002, 51546, 54615, 65538, 70290, 70503, 77319, 80102, 85910, 109230, 117505, 120153, 128865, 141006, 154638, 163845, 200255, 211509, 235010, 240306, 257730, 258511, 327690, 352515, 360459, 386595, 400510, 423018, 517022, 600765, 705030, 720918, 773190, 775533, 1057545, 1201530, 1292555, 1551066, 1802295, 2115090, 2326599, 2585110, 2843621, 3604590, 3877665, 4653198, 5687242, 7755330, 8530863, 11632995, 14218105, 17061726, 23265990, 25592589, 28436210, 42654315, 51185178, 85308630, 127962945, 255925890]

約数ペア:

[(1, 255925890), (2, 127962945), (3, 85308630), (5, 51185178), (6, 42654315), (9, 28436210), (10, 25592589), (11, 23265990), (15, 17061726), (18, 14218105), (22, 11632995), (30, 8530863), (33, 7755330), (45, 5687242), (55, 4653198), (66, 3877665), (71, 3604590), (90, 2843621), (99, 2585110), (110, 2326599), (121, 2115090), (142, 1802295), (165, 1551066), (198, 1292555), (213, 1201530), (242, 1057545), (330, 775533), (331, 773190), (355, 720918), (363, 705030), (426, 600765), (495, 517022), (605, 423018), (639, 400510), (662, 386595), (710, 360459), (726, 352515), (781, 327690), (990, 258511), (993, 257730), (1065, 240306), (1089, 235010), (1210, 211509), (1278, 200255), (1562, 163845), (1655, 154638), (1815, 141006), (1986, 128865), (2130, 120153), (2178, 117505), (2343, 109230), (2979, 85910), (3195, 80102), (3310, 77319), (3630, 70503), (3641, 70290), (3905, 65538), (4686, 54615), (4965, 51546), (5445, 47002), (5958, 42955), (6390, 40051), (7029, 36410), (7282, 35145), (7810, 32769), (8591, 29790), (9930, 25773), (10890, 23501), (10923, 23430), (11715, 21846), (14058, 18205), (14895, 17182)]