309040550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 144

約数和(自身を含む): 745702272

約数和(自身を除く): 436661722

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 49, 50, 62, 65, 70, 91, 98, 130, 155, 175, 182, 217, 245, 310, 313, 325, 350, 403, 434, 455, 490, 626, 637, 650, 775, 806, 910, 1085, 1225, 1274, 1519, 1550, 1565, 2015, 2170, 2191, 2275, 2450, 2821, 3038, 3130, 3185, 4030, 4069, 4382, 4550, 5425, 5642, 6370, 7595, 7825, 8138, 9703, 10075, 10850, 10955, 14105, 15190, 15337, 15650, 15925, 19406, 19747, 20150, 20345, 21910, 28210, 28483, 30674, 31850, 37975, 39494, 40690, 48515, 54775, 56966, 67921, 70525, 75950, 76685, 97030, 98735, 101725, 109550, 126139, 135842, 141050, 142415, 153370, 197470, 199381, 203450, 242575, 252278, 284830, 339605, 383425, 398762, 475447, 485150, 493675, 630695, 679210, 712075, 766850, 882973, 950894, 987350, 996905, 1261390, 1424150, 1698025, 1765946, 1993810, 2377235, 3153475, 3396050, 4414865, 4754470, 4984525, 6180811, 6306950, 8829730, 9969050, 11886175, 12361622, 22074325, 23772350, 30904055, 44148650, 61808110, 154520275, 309040550]

約数ペア:

[(1, 309040550), (2, 154520275), (5, 61808110), (7, 44148650), (10, 30904055), (13, 23772350), (14, 22074325), (25, 12361622), (26, 11886175), (31, 9969050), (35, 8829730), (49, 6306950), (50, 6180811), (62, 4984525), (65, 4754470), (70, 4414865), (91, 3396050), (98, 3153475), (130, 2377235), (155, 1993810), (175, 1765946), (182, 1698025), (217, 1424150), (245, 1261390), (310, 996905), (313, 987350), (325, 950894), (350, 882973), (403, 766850), (434, 712075), (455, 679210), (490, 630695), (626, 493675), (637, 485150), (650, 475447), (775, 398762), (806, 383425), (910, 339605), (1085, 284830), (1225, 252278), (1274, 242575), (1519, 203450), (1550, 199381), (1565, 197470), (2015, 153370), (2170, 142415), (2191, 141050), (2275, 135842), (2450, 126139), (2821, 109550), (3038, 101725), (3130, 98735), (3185, 97030), (4030, 76685), (4069, 75950), (4382, 70525), (4550, 67921), (5425, 56966), (5642, 54775), (6370, 48515), (7595, 40690), (7825, 39494), (8138, 37975), (9703, 31850), (10075, 30674), (10850, 28483), (10955, 28210), (14105, 21910), (15190, 20345), (15337, 20150), (15650, 19747), (15925, 19406)]