680955910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{45007}}^1$

素因数の和:45120

約数の個数: 32

約数和(自身を含む): 1312433280

約数和(自身を除く): 631477370

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 15130, 45007, 90014, 225035, 450070, 765119, 1530238, 3825595, 4005623, 7651190, 8011246, 20028115, 40056230, 68095591, 136191182, 340477955, 680955910]

約数ペア:

[(1, 680955910), (2, 340477955), (5, 136191182), (10, 68095591), (17, 40056230), (34, 20028115), (85, 8011246), (89, 7651190), (170, 4005623), (178, 3825595), (445, 1530238), (890, 765119), (1513, 450070), (3026, 225035), (7565, 90014), (15130, 45007)]