56171780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{661}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 135238656

約数和(自身を除く): 79066876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 607, 661, 1214, 1322, 2428, 2644, 3035, 3305, 4249, 4627, 6070, 6610, 8498, 9254, 12140, 13220, 16996, 18508, 21245, 23135, 42490, 46270, 84980, 92540, 401227, 802454, 1604908, 2006135, 2808589, 4012270, 5617178, 8024540, 11234356, 14042945, 28085890, 56171780]

約数ペア:

[(1, 56171780), (2, 28085890), (4, 14042945), (5, 11234356), (7, 8024540), (10, 5617178), (14, 4012270), (20, 2808589), (28, 2006135), (35, 1604908), (70, 802454), (140, 401227), (607, 92540), (661, 84980), (1214, 46270), (1322, 42490), (2428, 23135), (2644, 21245), (3035, 18508), (3305, 16996), (4249, 13220), (4627, 12140), (6070, 9254), (6610, 8498)]