19085000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 48921840

約数和(自身を除く): 29836840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 347, 440, 500, 550, 625, 694, 1000, 1100, 1250, 1375, 1388, 1735, 2200, 2500, 2750, 2776, 3470, 3817, 5000, 5500, 6875, 6940, 7634, 8675, 11000, 13750, 13880, 15268, 17350, 19085, 27500, 30536, 34700, 38170, 43375, 55000, 69400, 76340, 86750, 95425, 152680, 173500, 190850, 216875, 347000, 381700, 433750, 477125, 763400, 867500, 954250, 1735000, 1908500, 2385625, 3817000, 4771250, 9542500, 19085000]

約数ペア:

[(1, 19085000), (2, 9542500), (4, 4771250), (5, 3817000), (8, 2385625), (10, 1908500), (11, 1735000), (20, 954250), (22, 867500), (25, 763400), (40, 477125), (44, 433750), (50, 381700), (55, 347000), (88, 216875), (100, 190850), (110, 173500), (125, 152680), (200, 95425), (220, 86750), (250, 76340), (275, 69400), (347, 55000), (440, 43375), (500, 38170), (550, 34700), (625, 30536), (694, 27500), (1000, 19085), (1100, 17350), (1250, 15268), (1375, 13880), (1388, 13750), (1735, 11000), (2200, 8675), (2500, 7634), (2750, 6940), (2776, 6875), (3470, 5500), (3817, 5000)]