1891569400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{1351121}}^1$

素因数の和:1351144

約数の個数: 48

約数和(自身を含む): 5026173840

約数和(自身を除く): 3134604440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 1351121, 2702242, 5404484, 6755605, 9457847, 10808968, 13511210, 18915694, 27022420, 33778025, 37831388, 47289235, 54044840, 67556050, 75662776, 94578470, 135112100, 189156940, 236446175, 270224200, 378313880, 472892350, 945784700, 1891569400]

約数ペア:

[(1, 1891569400), (2, 945784700), (4, 472892350), (5, 378313880), (7, 270224200), (8, 236446175), (10, 189156940), (14, 135112100), (20, 94578470), (25, 75662776), (28, 67556050), (35, 54044840), (40, 47289235), (50, 37831388), (56, 33778025), (70, 27022420), (100, 18915694), (140, 13511210), (175, 10808968), (200, 9457847), (280, 6755605), (350, 5404484), (700, 2702242), (1400, 1351121)]