11281900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 28498176

約数和(自身を除く): 17216276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 227, 284, 350, 355, 454, 497, 700, 710, 908, 994, 1135, 1420, 1589, 1775, 1988, 2270, 2485, 3178, 3550, 4540, 4970, 5675, 6356, 7100, 7945, 9940, 11350, 12425, 15890, 16117, 22700, 24850, 31780, 32234, 39725, 49700, 64468, 79450, 80585, 112819, 158900, 161170, 225638, 322340, 402925, 451276, 564095, 805850, 1128190, 1611700, 2256380, 2820475, 5640950, 11281900]

約数ペア:

[(1, 11281900), (2, 5640950), (4, 2820475), (5, 2256380), (7, 1611700), (10, 1128190), (14, 805850), (20, 564095), (25, 451276), (28, 402925), (35, 322340), (50, 225638), (70, 161170), (71, 158900), (100, 112819), (140, 80585), (142, 79450), (175, 64468), (227, 49700), (284, 39725), (350, 32234), (355, 31780), (454, 24850), (497, 22700), (700, 16117), (710, 15890), (908, 12425), (994, 11350), (1135, 9940), (1420, 7945), (1589, 7100), (1775, 6356), (1988, 5675), (2270, 4970), (2485, 4540), (3178, 3550)]