105421540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 260419320

約数和(自身を除く): 154997780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 970, 980, 1109, 1358, 1940, 2218, 2716, 3395, 4436, 4753, 5545, 6790, 7763, 9506, 11090, 13580, 15526, 19012, 22180, 23765, 31052, 38815, 47530, 54341, 77630, 95060, 107573, 108682, 155260, 215146, 217364, 271705, 430292, 537865, 543410, 753011, 1075730, 1086820, 1506022, 2151460, 3012044, 3765055, 5271077, 7530110, 10542154, 15060220, 21084308, 26355385, 52710770, 105421540]

約数ペア:

[(1, 105421540), (2, 52710770), (4, 26355385), (5, 21084308), (7, 15060220), (10, 10542154), (14, 7530110), (20, 5271077), (28, 3765055), (35, 3012044), (49, 2151460), (70, 1506022), (97, 1086820), (98, 1075730), (140, 753011), (194, 543410), (196, 537865), (245, 430292), (388, 271705), (485, 217364), (490, 215146), (679, 155260), (970, 108682), (980, 107573), (1109, 95060), (1358, 77630), (1940, 54341), (2218, 47530), (2716, 38815), (3395, 31052), (4436, 23765), (4753, 22180), (5545, 19012), (6790, 15526), (7763, 13580), (9506, 11090)]