78947000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7177}}^1$

素因数の和:7209

約数の個数: 64

約数和(自身を含む): 201558240

約数和(自身を除く): 122611240

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, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 5500, 7177, 11000, 14354, 28708, 35885, 57416, 71770, 78947, 143540, 157894, 179425, 287080, 315788, 358850, 394735, 631576, 717700, 789470, 897125, 1435400, 1578940, 1794250, 1973675, 3157880, 3588500, 3947350, 7177000, 7894700, 9868375, 15789400, 19736750, 39473500, 78947000]

約数ペア:

[(1, 78947000), (2, 39473500), (4, 19736750), (5, 15789400), (8, 9868375), (10, 7894700), (11, 7177000), (20, 3947350), (22, 3588500), (25, 3157880), (40, 1973675), (44, 1794250), (50, 1578940), (55, 1435400), (88, 897125), (100, 789470), (110, 717700), (125, 631576), (200, 394735), (220, 358850), (250, 315788), (275, 287080), (440, 179425), (500, 157894), (550, 143540), (1000, 78947), (1100, 71770), (1375, 57416), (2200, 35885), (2750, 28708), (5500, 14354), (7177, 11000)]