202420960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25819}}^1$

素因数の和:25848

約数の個数: 72

約数和(自身を含む): 556317720

約数和(自身を除く): 353896760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 25819, 51638, 103276, 129095, 180733, 206552, 258190, 361466, 413104, 516380, 722932, 826208, 903665, 1032760, 1265131, 1445864, 1807330, 2065520, 2530262, 2891728, 3614660, 4131040, 5060524, 5783456, 6325655, 7229320, 10121048, 12651310, 14458640, 20242096, 25302620, 28917280, 40484192, 50605240, 101210480, 202420960]

約数ペア:

[(1, 202420960), (2, 101210480), (4, 50605240), (5, 40484192), (7, 28917280), (8, 25302620), (10, 20242096), (14, 14458640), (16, 12651310), (20, 10121048), (28, 7229320), (32, 6325655), (35, 5783456), (40, 5060524), (49, 4131040), (56, 3614660), (70, 2891728), (80, 2530262), (98, 2065520), (112, 1807330), (140, 1445864), (160, 1265131), (196, 1032760), (224, 903665), (245, 826208), (280, 722932), (392, 516380), (490, 413104), (560, 361466), (784, 258190), (980, 206552), (1120, 180733), (1568, 129095), (1960, 103276), (3920, 51638), (7840, 25819)]