670000

素因数分解:

$2^4\times 5^4\times {\mathrm{67}}^1$

素因数の和:95

約数の個数: 50

約数和(自身を含む): 1646348

約数和(自身を除く): 976348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 125, 134, 200, 250, 268, 335, 400, 500, 536, 625, 670, 1000, 1072, 1250, 1340, 1675, 2000, 2500, 2680, 3350, 5000, 5360, 6700, 8375, 10000, 13400, 16750, 26800, 33500, 41875, 67000, 83750, 134000, 167500, 335000, 670000]

約数ペア:

[(1, 670000), (2, 335000), (4, 167500), (5, 134000), (8, 83750), (10, 67000), (16, 41875), (20, 33500), (25, 26800), (40, 16750), (50, 13400), (67, 10000), (80, 8375), (100, 6700), (125, 5360), (134, 5000), (200, 3350), (250, 2680), (268, 2500), (335, 2000), (400, 1675), (500, 1340), (536, 1250), (625, 1072), (670, 1000)]