68988620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181549}}^1$

素因数の和:181577

約数の個数: 24

約数和(自身を含む): 152502000

約数和(自身を除く): 83513380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 181549, 363098, 726196, 907745, 1815490, 3449431, 3630980, 6898862, 13797724, 17247155, 34494310, 68988620]

約数ペア:

[(1, 68988620), (2, 34494310), (4, 17247155), (5, 13797724), (10, 6898862), (19, 3630980), (20, 3449431), (38, 1815490), (76, 907745), (95, 726196), (190, 363098), (380, 181549)]