19947000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 63835200

約数和(自身を除く): 43888200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 75, 100, 109, 120, 122, 125, 150, 183, 200, 218, 244, 250, 300, 305, 327, 366, 375, 436, 488, 500, 545, 600, 610, 654, 732, 750, 872, 915, 1000, 1090, 1220, 1308, 1464, 1500, 1525, 1635, 1830, 2180, 2440, 2616, 2725, 3000, 3050, 3270, 3660, 4360, 4575, 5450, 6100, 6540, 6649, 7320, 7625, 8175, 9150, 10900, 12200, 13080, 13298, 13625, 15250, 16350, 18300, 19947, 21800, 22875, 26596, 27250, 30500, 32700, 33245, 36600, 39894, 40875, 45750, 53192, 54500, 61000, 65400, 66490, 79788, 81750, 91500, 99735, 109000, 132980, 159576, 163500, 166225, 183000, 199470, 265960, 327000, 332450, 398940, 498675, 664900, 797880, 831125, 997350, 1329800, 1662250, 1994700, 2493375, 3324500, 3989400, 4986750, 6649000, 9973500, 19947000]

約数ペア:

[(1, 19947000), (2, 9973500), (3, 6649000), (4, 4986750), (5, 3989400), (6, 3324500), (8, 2493375), (10, 1994700), (12, 1662250), (15, 1329800), (20, 997350), (24, 831125), (25, 797880), (30, 664900), (40, 498675), (50, 398940), (60, 332450), (61, 327000), (75, 265960), (100, 199470), (109, 183000), (120, 166225), (122, 163500), (125, 159576), (150, 132980), (183, 109000), (200, 99735), (218, 91500), (244, 81750), (250, 79788), (300, 66490), (305, 65400), (327, 61000), (366, 54500), (375, 53192), (436, 45750), (488, 40875), (500, 39894), (545, 36600), (600, 33245), (610, 32700), (654, 30500), (732, 27250), (750, 26596), (872, 22875), (915, 21800), (1000, 19947), (1090, 18300), (1220, 16350), (1308, 15250), (1464, 13625), (1500, 13298), (1525, 13080), (1635, 12200), (1830, 10900), (2180, 9150), (2440, 8175), (2616, 7625), (2725, 7320), (3000, 6649), (3050, 6540), (3270, 6100), (3660, 5450), (4360, 4575)]