1556164540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1587923}}^1$

素因数の和:1587946

約数の個数: 36

約数和(自身を含む): 3801490056

約数和(自身を除く): 2245325516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1587923, 3175846, 6351692, 7939615, 11115461, 15879230, 22230922, 31758460, 44461844, 55577305, 77808227, 111154610, 155616454, 222309220, 311232908, 389041135, 778082270, 1556164540]

約数ペア:

[(1, 1556164540), (2, 778082270), (4, 389041135), (5, 311232908), (7, 222309220), (10, 155616454), (14, 111154610), (20, 77808227), (28, 55577305), (35, 44461844), (49, 31758460), (70, 22230922), (98, 15879230), (140, 11115461), (196, 7939615), (245, 6351692), (490, 3175846), (980, 1587923)]