9878000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:483

約数の個数: 80

約数和(自身を含む): 26114400

約数和(自身を除く): 16236400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 449, 500, 550, 880, 898, 1000, 1100, 1375, 1796, 2000, 2200, 2245, 2750, 3592, 4400, 4490, 4939, 5500, 7184, 8980, 9878, 11000, 11225, 17960, 19756, 22000, 22450, 24695, 35920, 39512, 44900, 49390, 56125, 79024, 89800, 98780, 112250, 123475, 179600, 197560, 224500, 246950, 395120, 449000, 493900, 617375, 898000, 987800, 1234750, 1975600, 2469500, 4939000, 9878000]

約数ペア:

[(1, 9878000), (2, 4939000), (4, 2469500), (5, 1975600), (8, 1234750), (10, 987800), (11, 898000), (16, 617375), (20, 493900), (22, 449000), (25, 395120), (40, 246950), (44, 224500), (50, 197560), (55, 179600), (80, 123475), (88, 112250), (100, 98780), (110, 89800), (125, 79024), (176, 56125), (200, 49390), (220, 44900), (250, 39512), (275, 35920), (400, 24695), (440, 22450), (449, 22000), (500, 19756), (550, 17960), (880, 11225), (898, 11000), (1000, 9878), (1100, 8980), (1375, 7184), (1796, 5500), (2000, 4939), (2200, 4490), (2245, 4400), (2750, 3592)]