7831203100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:848

約数の個数: 144

約数和(自身を含む): 19736861760

約数和(自身を除く): 11905658660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 140, 175, 197, 218, 350, 394, 436, 521, 545, 700, 763, 788, 985, 1042, 1090, 1379, 1526, 1970, 2084, 2180, 2605, 2725, 2758, 3052, 3647, 3815, 3940, 4925, 5210, 5450, 5516, 6895, 7294, 7630, 9850, 10420, 10900, 13025, 13790, 14588, 15260, 18235, 19075, 19700, 21473, 26050, 27580, 34475, 36470, 38150, 42946, 52100, 56789, 68950, 72940, 76300, 85892, 91175, 102637, 107365, 113578, 137900, 150311, 182350, 205274, 214730, 227156, 283945, 300622, 364700, 397523, 410548, 429460, 513185, 536825, 567890, 601244, 718459, 751555, 795046, 1026370, 1073650, 1135780, 1419725, 1436918, 1503110, 1590092, 1987615, 2052740, 2147300, 2565925, 2839450, 2873836, 3006220, 3592295, 3757775, 3975230, 5131850, 5678900, 7184590, 7515550, 7950460, 9938075, 10263700, 11187433, 14369180, 15031100, 17961475, 19876150, 22374866, 35922950, 39752300, 44749732, 55937165, 71845900, 78312031, 111874330, 156624062, 223748660, 279685825, 313248124, 391560155, 559371650, 783120310, 1118743300, 1566240620, 1957800775, 3915601550, 7831203100]

約数ペア:

[(1, 7831203100), (2, 3915601550), (4, 1957800775), (5, 1566240620), (7, 1118743300), (10, 783120310), (14, 559371650), (20, 391560155), (25, 313248124), (28, 279685825), (35, 223748660), (50, 156624062), (70, 111874330), (100, 78312031), (109, 71845900), (140, 55937165), (175, 44749732), (197, 39752300), (218, 35922950), (350, 22374866), (394, 19876150), (436, 17961475), (521, 15031100), (545, 14369180), (700, 11187433), (763, 10263700), (788, 9938075), (985, 7950460), (1042, 7515550), (1090, 7184590), (1379, 5678900), (1526, 5131850), (1970, 3975230), (2084, 3757775), (2180, 3592295), (2605, 3006220), (2725, 2873836), (2758, 2839450), (3052, 2565925), (3647, 2147300), (3815, 2052740), (3940, 1987615), (4925, 1590092), (5210, 1503110), (5450, 1436918), (5516, 1419725), (6895, 1135780), (7294, 1073650), (7630, 1026370), (9850, 795046), (10420, 751555), (10900, 718459), (13025, 601244), (13790, 567890), (14588, 536825), (15260, 513185), (18235, 429460), (19075, 410548), (19700, 397523), (21473, 364700), (26050, 300622), (27580, 283945), (34475, 227156), (36470, 214730), (38150, 205274), (42946, 182350), (52100, 150311), (56789, 137900), (68950, 113578), (72940, 107365), (76300, 102637), (85892, 91175)]