219138080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{195659}}^1$

素因数の和:195681

約数の個数: 48

約数和(自身を含む): 591675840

約数和(自身を除く): 372537760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 195659, 391318, 782636, 978295, 1369613, 1565272, 1956590, 2739226, 3130544, 3913180, 5478452, 6261088, 6848065, 7826360, 10956904, 13696130, 15652720, 21913808, 27392260, 31305440, 43827616, 54784520, 109569040, 219138080]

約数ペア:

[(1, 219138080), (2, 109569040), (4, 54784520), (5, 43827616), (7, 31305440), (8, 27392260), (10, 21913808), (14, 15652720), (16, 13696130), (20, 10956904), (28, 7826360), (32, 6848065), (35, 6261088), (40, 5478452), (56, 3913180), (70, 3130544), (80, 2739226), (112, 1956590), (140, 1565272), (160, 1369613), (224, 978295), (280, 782636), (560, 391318), (1120, 195659)]