201900080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6991}}^1$

素因数の和:7042

約数の個数: 60

約数和(自身を含む): 495495072

約数和(自身を除く): 293594992

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 6991, 7220, 13982, 14440, 27964, 28880, 34955, 55928, 69910, 111856, 132829, 139820, 265658, 279640, 531316, 559280, 664145, 1062632, 1328290, 2125264, 2523751, 2656580, 5047502, 5313160, 10095004, 10626320, 12618755, 20190008, 25237510, 40380016, 50475020, 100950040, 201900080]

約数ペア:

[(1, 201900080), (2, 100950040), (4, 50475020), (5, 40380016), (8, 25237510), (10, 20190008), (16, 12618755), (19, 10626320), (20, 10095004), (38, 5313160), (40, 5047502), (76, 2656580), (80, 2523751), (95, 2125264), (152, 1328290), (190, 1062632), (304, 664145), (361, 559280), (380, 531316), (722, 279640), (760, 265658), (1444, 139820), (1520, 132829), (1805, 111856), (2888, 69910), (3610, 55928), (5776, 34955), (6991, 28880), (7220, 27964), (13982, 14440)]