2021649500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 192

約数和(自身を含む): 5009571840

約数和(自身を除く): 2987922340

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 79, 100, 124, 125, 127, 130, 155, 158, 250, 254, 260, 310, 316, 325, 395, 403, 500, 508, 620, 635, 650, 775, 790, 806, 1027, 1270, 1300, 1550, 1580, 1612, 1625, 1651, 1975, 2015, 2054, 2449, 2540, 3100, 3175, 3250, 3302, 3875, 3937, 3950, 4030, 4108, 4898, 5135, 6350, 6500, 6604, 7750, 7874, 7900, 8060, 8255, 9796, 9875, 10033, 10075, 10270, 12245, 12700, 15500, 15748, 15875, 16510, 19685, 19750, 20066, 20150, 20540, 24490, 25675, 31750, 31837, 33020, 39370, 39500, 40132, 40300, 41275, 48980, 50165, 50375, 51181, 51350, 61225, 63500, 63674, 78740, 82550, 98425, 100330, 100750, 102362, 102700, 122450, 127348, 128375, 130429, 159185, 165100, 196850, 200660, 201500, 204724, 206375, 244900, 250825, 255905, 256750, 260858, 306125, 311023, 318370, 393700, 412750, 492125, 501650, 511810, 513500, 521716, 612250, 622046, 636740, 652145, 795925, 825500, 984250, 1003300, 1023620, 1224500, 1244092, 1254125, 1279525, 1304290, 1555115, 1591850, 1968500, 2508250, 2559050, 2608580, 3110230, 3183700, 3260725, 3979625, 4043299, 5016500, 5118100, 6220460, 6397625, 6521450, 7775575, 7959250, 8086598, 12795250, 13042900, 15551150, 15918500, 16173196, 16303625, 20216495, 25590500, 31102300, 32607250, 38877875, 40432990, 65214500, 77755750, 80865980, 101082475, 155511500, 202164950, 404329900, 505412375, 1010824750, 2021649500]

約数ペア:

[(1, 2021649500), (2, 1010824750), (4, 505412375), (5, 404329900), (10, 202164950), (13, 155511500), (20, 101082475), (25, 80865980), (26, 77755750), (31, 65214500), (50, 40432990), (52, 38877875), (62, 32607250), (65, 31102300), (79, 25590500), (100, 20216495), (124, 16303625), (125, 16173196), (127, 15918500), (130, 15551150), (155, 13042900), (158, 12795250), (250, 8086598), (254, 7959250), (260, 7775575), (310, 6521450), (316, 6397625), (325, 6220460), (395, 5118100), (403, 5016500), (500, 4043299), (508, 3979625), (620, 3260725), (635, 3183700), (650, 3110230), (775, 2608580), (790, 2559050), (806, 2508250), (1027, 1968500), (1270, 1591850), (1300, 1555115), (1550, 1304290), (1580, 1279525), (1612, 1254125), (1625, 1244092), (1651, 1224500), (1975, 1023620), (2015, 1003300), (2054, 984250), (2449, 825500), (2540, 795925), (3100, 652145), (3175, 636740), (3250, 622046), (3302, 612250), (3875, 521716), (3937, 513500), (3950, 511810), (4030, 501650), (4108, 492125), (4898, 412750), (5135, 393700), (6350, 318370), (6500, 311023), (6604, 306125), (7750, 260858), (7874, 256750), (7900, 255905), (8060, 250825), (8255, 244900), (9796, 206375), (9875, 204724), (10033, 201500), (10075, 200660), (10270, 196850), (12245, 165100), (12700, 159185), (15500, 130429), (15748, 128375), (15875, 127348), (16510, 122450), (19685, 102700), (19750, 102362), (20066, 100750), (20150, 100330), (20540, 98425), (24490, 82550), (25675, 78740), (31750, 63674), (31837, 63500), (33020, 61225), (39370, 51350), (39500, 51181), (40132, 50375), (40300, 50165), (41275, 48980)]