219640736

素因数分解:

$2^5\times 7^3\times {\mathrm{20011}}^1$

素因数の和:20042

約数の個数: 48

約数和(自身を含む): 504302400

約数和(自身を除く): 284661664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 2744, 5488, 10976, 20011, 40022, 80044, 140077, 160088, 280154, 320176, 560308, 640352, 980539, 1120616, 1961078, 2241232, 3922156, 4482464, 6863773, 7844312, 13727546, 15688624, 27455092, 31377248, 54910184, 109820368, 219640736]

約数ペア:

[(1, 219640736), (2, 109820368), (4, 54910184), (7, 31377248), (8, 27455092), (14, 15688624), (16, 13727546), (28, 7844312), (32, 6863773), (49, 4482464), (56, 3922156), (98, 2241232), (112, 1961078), (196, 1120616), (224, 980539), (343, 640352), (392, 560308), (686, 320176), (784, 280154), (1372, 160088), (1568, 140077), (2744, 80044), (5488, 40022), (10976, 20011)]