157445780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{414331}}^1$

素因数の和:414359

約数の個数: 24

約数和(自身を含む): 348038880

約数和(自身を除く): 190593100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 414331, 828662, 1657324, 2071655, 4143310, 7872289, 8286620, 15744578, 31489156, 39361445, 78722890, 157445780]

約数ペア:

[(1, 157445780), (2, 78722890), (4, 39361445), (5, 31489156), (10, 15744578), (19, 8286620), (20, 7872289), (38, 4143310), (76, 2071655), (95, 1657324), (190, 828662), (380, 414331)]