51807700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 108

約数和(自身を含む): 133337820

約数和(自身を除く): 81530120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 97, 98, 100, 109, 140, 175, 194, 196, 218, 245, 350, 388, 436, 485, 490, 545, 679, 700, 763, 970, 980, 1090, 1225, 1358, 1526, 1940, 2180, 2425, 2450, 2716, 2725, 3052, 3395, 3815, 4753, 4850, 4900, 5341, 5450, 6790, 7630, 9506, 9700, 10573, 10682, 10900, 13580, 15260, 16975, 19012, 19075, 21146, 21364, 23765, 26705, 33950, 38150, 42292, 47530, 52865, 53410, 67900, 74011, 76300, 95060, 105730, 106820, 118825, 133525, 148022, 211460, 237650, 264325, 267050, 296044, 370055, 475300, 518077, 528650, 534100, 740110, 1036154, 1057300, 1480220, 1850275, 2072308, 2590385, 3700550, 5180770, 7401100, 10361540, 12951925, 25903850, 51807700]

約数ペア:

[(1, 51807700), (2, 25903850), (4, 12951925), (5, 10361540), (7, 7401100), (10, 5180770), (14, 3700550), (20, 2590385), (25, 2072308), (28, 1850275), (35, 1480220), (49, 1057300), (50, 1036154), (70, 740110), (97, 534100), (98, 528650), (100, 518077), (109, 475300), (140, 370055), (175, 296044), (194, 267050), (196, 264325), (218, 237650), (245, 211460), (350, 148022), (388, 133525), (436, 118825), (485, 106820), (490, 105730), (545, 95060), (679, 76300), (700, 74011), (763, 67900), (970, 53410), (980, 52865), (1090, 47530), (1225, 42292), (1358, 38150), (1526, 33950), (1940, 26705), (2180, 23765), (2425, 21364), (2450, 21146), (2716, 19075), (2725, 19012), (3052, 16975), (3395, 15260), (3815, 13580), (4753, 10900), (4850, 10682), (4900, 10573), (5341, 9700), (5450, 9506), (6790, 7630)]