123581500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 342171648

約数和(自身を除く): 218590148

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 31, 34, 35, 50, 62, 67, 68, 70, 85, 100, 119, 124, 125, 134, 140, 155, 170, 175, 217, 238, 250, 268, 310, 335, 340, 350, 425, 434, 469, 476, 500, 527, 595, 620, 670, 700, 775, 850, 868, 875, 938, 1054, 1085, 1139, 1190, 1340, 1550, 1675, 1700, 1750, 1876, 2077, 2108, 2125, 2170, 2278, 2345, 2380, 2635, 2975, 3100, 3350, 3500, 3689, 3875, 4154, 4250, 4340, 4556, 4690, 5270, 5425, 5695, 5950, 6700, 7378, 7750, 7973, 8308, 8375, 8500, 9380, 10385, 10540, 10850, 11390, 11725, 11900, 13175, 14539, 14756, 14875, 15500, 15946, 16750, 18445, 20770, 21700, 22780, 23450, 26350, 27125, 28475, 29078, 29750, 31892, 33500, 35309, 36890, 39865, 41540, 46900, 51925, 52700, 54250, 56950, 58156, 58625, 59500, 65875, 70618, 72695, 73780, 79730, 92225, 103850, 108500, 113900, 117250, 131750, 141236, 142375, 145390, 159460, 176545, 184450, 199325, 207700, 234500, 247163, 259625, 263500, 284750, 290780, 353090, 363475, 368900, 398650, 461125, 494326, 519250, 569500, 706180, 726950, 797300, 882725, 922250, 988652, 996625, 1038500, 1235815, 1453900, 1765450, 1817375, 1844500, 1993250, 2471630, 3530900, 3634750, 3986500, 4413625, 4943260, 6179075, 7269500, 8827250, 12358150, 17654500, 24716300, 30895375, 61790750, 123581500]

約数ペア:

[(1, 123581500), (2, 61790750), (4, 30895375), (5, 24716300), (7, 17654500), (10, 12358150), (14, 8827250), (17, 7269500), (20, 6179075), (25, 4943260), (28, 4413625), (31, 3986500), (34, 3634750), (35, 3530900), (50, 2471630), (62, 1993250), (67, 1844500), (68, 1817375), (70, 1765450), (85, 1453900), (100, 1235815), (119, 1038500), (124, 996625), (125, 988652), (134, 922250), (140, 882725), (155, 797300), (170, 726950), (175, 706180), (217, 569500), (238, 519250), (250, 494326), (268, 461125), (310, 398650), (335, 368900), (340, 363475), (350, 353090), (425, 290780), (434, 284750), (469, 263500), (476, 259625), (500, 247163), (527, 234500), (595, 207700), (620, 199325), (670, 184450), (700, 176545), (775, 159460), (850, 145390), (868, 142375), (875, 141236), (938, 131750), (1054, 117250), (1085, 113900), (1139, 108500), (1190, 103850), (1340, 92225), (1550, 79730), (1675, 73780), (1700, 72695), (1750, 70618), (1876, 65875), (2077, 59500), (2108, 58625), (2125, 58156), (2170, 56950), (2278, 54250), (2345, 52700), (2380, 51925), (2635, 46900), (2975, 41540), (3100, 39865), (3350, 36890), (3500, 35309), (3689, 33500), (3875, 31892), (4154, 29750), (4250, 29078), (4340, 28475), (4556, 27125), (4690, 26350), (5270, 23450), (5425, 22780), (5695, 21700), (5950, 20770), (6700, 18445), (7378, 16750), (7750, 15946), (7973, 15500), (8308, 14875), (8375, 14756), (8500, 14539), (9380, 13175), (10385, 11900), (10540, 11725), (10850, 11390)]