2783900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 7145376

約数和(自身を除く): 4361476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 97, 100, 140, 164, 175, 194, 205, 287, 350, 388, 410, 485, 574, 679, 700, 820, 970, 1025, 1148, 1358, 1435, 1940, 2050, 2425, 2716, 2870, 3395, 3977, 4100, 4850, 5740, 6790, 7175, 7954, 9700, 13580, 14350, 15908, 16975, 19885, 27839, 28700, 33950, 39770, 55678, 67900, 79540, 99425, 111356, 139195, 198850, 278390, 397700, 556780, 695975, 1391950, 2783900]

約数ペア:

[(1, 2783900), (2, 1391950), (4, 695975), (5, 556780), (7, 397700), (10, 278390), (14, 198850), (20, 139195), (25, 111356), (28, 99425), (35, 79540), (41, 67900), (50, 55678), (70, 39770), (82, 33950), (97, 28700), (100, 27839), (140, 19885), (164, 16975), (175, 15908), (194, 14350), (205, 13580), (287, 9700), (350, 7954), (388, 7175), (410, 6790), (485, 5740), (574, 4850), (679, 4100), (700, 3977), (820, 3395), (970, 2870), (1025, 2716), (1148, 2425), (1358, 2050), (1435, 1940)]