138019000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19717}}^1$

素因数の和:19745

約数の個数: 64

約数和(自身を含む): 369120960

約数和(自身を除く): 231101960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 19717, 39434, 78868, 98585, 138019, 157736, 197170, 276038, 394340, 492925, 552076, 690095, 788680, 985850, 1104152, 1380190, 1971700, 2464625, 2760380, 3450475, 3943400, 4929250, 5520760, 6900950, 9858500, 13801900, 17252375, 19717000, 27603800, 34504750, 69009500, 138019000]

約数ペア:

[(1, 138019000), (2, 69009500), (4, 34504750), (5, 27603800), (7, 19717000), (8, 17252375), (10, 13801900), (14, 9858500), (20, 6900950), (25, 5520760), (28, 4929250), (35, 3943400), (40, 3450475), (50, 2760380), (56, 2464625), (70, 1971700), (100, 1380190), (125, 1104152), (140, 985850), (175, 788680), (200, 690095), (250, 552076), (280, 492925), (350, 394340), (500, 276038), (700, 197170), (875, 157736), (1000, 138019), (1400, 98585), (1750, 78868), (3500, 39434), (7000, 19717)]