138214400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{5399}}^1$

素因数の和:5429

約数の個数: 66

約数和(自身を含む): 342667800

約数和(自身を除く): 204453400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 5120, 5399, 6400, 10798, 12800, 21596, 25600, 26995, 43192, 53990, 86384, 107980, 134975, 172768, 215960, 269950, 345536, 431920, 539900, 691072, 863840, 1079800, 1382144, 1727680, 2159600, 2764288, 3455360, 4319200, 5528576, 6910720, 8638400, 13821440, 17276800, 27642880, 34553600, 69107200, 138214400]

約数ペア:

[(1, 138214400), (2, 69107200), (4, 34553600), (5, 27642880), (8, 17276800), (10, 13821440), (16, 8638400), (20, 6910720), (25, 5528576), (32, 4319200), (40, 3455360), (50, 2764288), (64, 2159600), (80, 1727680), (100, 1382144), (128, 1079800), (160, 863840), (200, 691072), (256, 539900), (320, 431920), (400, 345536), (512, 269950), (640, 215960), (800, 172768), (1024, 134975), (1280, 107980), (1600, 86384), (2560, 53990), (3200, 43192), (5120, 26995), (5399, 25600), (6400, 21596), (10798, 12800)]