2500400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 120

約数和(自身を含む): 7380480

約数和(自身を除く): 4880080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 47, 50, 56, 70, 76, 80, 94, 95, 100, 112, 133, 140, 152, 175, 188, 190, 200, 235, 266, 280, 304, 329, 350, 376, 380, 400, 470, 475, 532, 560, 658, 665, 700, 752, 760, 893, 940, 950, 1064, 1175, 1316, 1330, 1400, 1520, 1645, 1786, 1880, 1900, 2128, 2350, 2632, 2660, 2800, 3290, 3325, 3572, 3760, 3800, 4465, 4700, 5264, 5320, 6251, 6580, 6650, 7144, 7600, 8225, 8930, 9400, 10640, 12502, 13160, 13300, 14288, 16450, 17860, 18800, 22325, 25004, 26320, 26600, 31255, 32900, 35720, 44650, 50008, 53200, 62510, 65800, 71440, 89300, 100016, 125020, 131600, 156275, 178600, 250040, 312550, 357200, 500080, 625100, 1250200, 2500400]

約数ペア:

[(1, 2500400), (2, 1250200), (4, 625100), (5, 500080), (7, 357200), (8, 312550), (10, 250040), (14, 178600), (16, 156275), (19, 131600), (20, 125020), (25, 100016), (28, 89300), (35, 71440), (38, 65800), (40, 62510), (47, 53200), (50, 50008), (56, 44650), (70, 35720), (76, 32900), (80, 31255), (94, 26600), (95, 26320), (100, 25004), (112, 22325), (133, 18800), (140, 17860), (152, 16450), (175, 14288), (188, 13300), (190, 13160), (200, 12502), (235, 10640), (266, 9400), (280, 8930), (304, 8225), (329, 7600), (350, 7144), (376, 6650), (380, 6580), (400, 6251), (470, 5320), (475, 5264), (532, 4700), (560, 4465), (658, 3800), (665, 3760), (700, 3572), (752, 3325), (760, 3290), (893, 2800), (940, 2660), (950, 2632), (1064, 2350), (1175, 2128), (1316, 1900), (1330, 1880), (1400, 1786), (1520, 1645)]