199112500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 461642328

約数和(自身を除く): 262529828

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 850, 937, 1250, 1700, 1874, 2125, 2500, 3125, 3748, 4250, 4685, 6250, 8500, 9370, 10625, 12500, 15929, 18740, 21250, 23425, 31858, 42500, 46850, 53125, 63716, 79645, 93700, 106250, 117125, 159290, 212500, 234250, 318580, 398225, 468500, 585625, 796450, 1171250, 1592900, 1991125, 2342500, 2928125, 3982250, 5856250, 7964500, 9955625, 11712500, 19911250, 39822500, 49778125, 99556250, 199112500]

約数ペア:

[(1, 199112500), (2, 99556250), (4, 49778125), (5, 39822500), (10, 19911250), (17, 11712500), (20, 9955625), (25, 7964500), (34, 5856250), (50, 3982250), (68, 2928125), (85, 2342500), (100, 1991125), (125, 1592900), (170, 1171250), (250, 796450), (340, 585625), (425, 468500), (500, 398225), (625, 318580), (850, 234250), (937, 212500), (1250, 159290), (1700, 117125), (1874, 106250), (2125, 93700), (2500, 79645), (3125, 63716), (3748, 53125), (4250, 46850), (4685, 42500), (6250, 31858), (8500, 23425), (9370, 21250), (10625, 18740), (12500, 15929)]