17105000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 43860960

約数和(自身を除く): 26755960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 311, 440, 500, 550, 622, 625, 1000, 1100, 1244, 1250, 1375, 1555, 2200, 2488, 2500, 2750, 3110, 3421, 5000, 5500, 6220, 6842, 6875, 7775, 11000, 12440, 13684, 13750, 15550, 17105, 27368, 27500, 31100, 34210, 38875, 55000, 62200, 68420, 77750, 85525, 136840, 155500, 171050, 194375, 311000, 342100, 388750, 427625, 684200, 777500, 855250, 1555000, 1710500, 2138125, 3421000, 4276250, 8552500, 17105000]

約数ペア:

[(1, 17105000), (2, 8552500), (4, 4276250), (5, 3421000), (8, 2138125), (10, 1710500), (11, 1555000), (20, 855250), (22, 777500), (25, 684200), (40, 427625), (44, 388750), (50, 342100), (55, 311000), (88, 194375), (100, 171050), (110, 155500), (125, 136840), (200, 85525), (220, 77750), (250, 68420), (275, 62200), (311, 55000), (440, 38875), (500, 34210), (550, 31100), (622, 27500), (625, 27368), (1000, 17105), (1100, 15550), (1244, 13750), (1250, 13684), (1375, 12440), (1555, 11000), (2200, 7775), (2488, 6875), (2500, 6842), (2750, 6220), (3110, 5500), (3421, 5000)]