19270000

素因数分解:

$2^4\times 5^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 100

約数和(自身を含む): 48809376

約数和(自身を除く): 29539376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 47, 50, 80, 82, 94, 100, 125, 164, 188, 200, 205, 235, 250, 328, 376, 400, 410, 470, 500, 625, 656, 752, 820, 940, 1000, 1025, 1175, 1250, 1640, 1880, 1927, 2000, 2050, 2350, 2500, 3280, 3760, 3854, 4100, 4700, 5000, 5125, 5875, 7708, 8200, 9400, 9635, 10000, 10250, 11750, 15416, 16400, 18800, 19270, 20500, 23500, 25625, 29375, 30832, 38540, 41000, 47000, 48175, 51250, 58750, 77080, 82000, 94000, 96350, 102500, 117500, 154160, 192700, 205000, 235000, 240875, 385400, 410000, 470000, 481750, 770800, 963500, 1204375, 1927000, 2408750, 3854000, 4817500, 9635000, 19270000]

約数ペア:

[(1, 19270000), (2, 9635000), (4, 4817500), (5, 3854000), (8, 2408750), (10, 1927000), (16, 1204375), (20, 963500), (25, 770800), (40, 481750), (41, 470000), (47, 410000), (50, 385400), (80, 240875), (82, 235000), (94, 205000), (100, 192700), (125, 154160), (164, 117500), (188, 102500), (200, 96350), (205, 94000), (235, 82000), (250, 77080), (328, 58750), (376, 51250), (400, 48175), (410, 47000), (470, 41000), (500, 38540), (625, 30832), (656, 29375), (752, 25625), (820, 23500), (940, 20500), (1000, 19270), (1025, 18800), (1175, 16400), (1250, 15416), (1640, 11750), (1880, 10250), (1927, 10000), (2000, 9635), (2050, 9400), (2350, 8200), (2500, 7708), (3280, 5875), (3760, 5125), (3854, 5000), (4100, 4700)]