1388598400

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{61991}}^1$

素因数の和:62022

約数の個数: 96

約数和(自身を含む): 3920374080

約数和(自身を除く): 2531775680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 4480, 5600, 11200, 22400, 61991, 123982, 247964, 309955, 433937, 495928, 619910, 867874, 991856, 1239820, 1549775, 1735748, 1983712, 2169685, 2479640, 3099550, 3471496, 3967424, 4339370, 4959280, 6199100, 6942992, 7934848, 8678740, 9918560, 10848425, 12398200, 13885984, 17357480, 19837120, 21696850, 24796400, 27771968, 34714960, 39674240, 43393700, 49592800, 55543936, 69429920, 86787400, 99185600, 138859840, 173574800, 198371200, 277719680, 347149600, 694299200, 1388598400]

約数ペア:

[(1, 1388598400), (2, 694299200), (4, 347149600), (5, 277719680), (7, 198371200), (8, 173574800), (10, 138859840), (14, 99185600), (16, 86787400), (20, 69429920), (25, 55543936), (28, 49592800), (32, 43393700), (35, 39674240), (40, 34714960), (50, 27771968), (56, 24796400), (64, 21696850), (70, 19837120), (80, 17357480), (100, 13885984), (112, 12398200), (128, 10848425), (140, 9918560), (160, 8678740), (175, 7934848), (200, 6942992), (224, 6199100), (280, 4959280), (320, 4339370), (350, 3967424), (400, 3471496), (448, 3099550), (560, 2479640), (640, 2169685), (700, 1983712), (800, 1735748), (896, 1549775), (1120, 1239820), (1400, 991856), (1600, 867874), (2240, 619910), (2800, 495928), (3200, 433937), (4480, 309955), (5600, 247964), (11200, 123982), (22400, 61991)]