189746620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{193619}}^1$

素因数の和:193642

約数の個数: 36

約数和(自身を含む): 463526280

約数和(自身を除く): 273779660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 193619, 387238, 774476, 968095, 1355333, 1936190, 2710666, 3872380, 5421332, 6776665, 9487331, 13553330, 18974662, 27106660, 37949324, 47436655, 94873310, 189746620]

約数ペア:

[(1, 189746620), (2, 94873310), (4, 47436655), (5, 37949324), (7, 27106660), (10, 18974662), (14, 13553330), (20, 9487331), (28, 6776665), (35, 5421332), (49, 3872380), (70, 2710666), (98, 1936190), (140, 1355333), (196, 968095), (245, 774476), (490, 387238), (980, 193619)]