49390000

素因数分解:

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

素因数の和:488

約数の個数: 100

約数和(自身を含む): 130739400

約数和(自身を除く): 81349400

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, 625, 880, 898, 1000, 1100, 1250, 1375, 1796, 2000, 2200, 2245, 2500, 2750, 3592, 4400, 4490, 4939, 5000, 5500, 6875, 7184, 8980, 9878, 10000, 11000, 11225, 13750, 17960, 19756, 22000, 22450, 24695, 27500, 35920, 39512, 44900, 49390, 55000, 56125, 79024, 89800, 98780, 110000, 112250, 123475, 179600, 197560, 224500, 246950, 280625, 395120, 449000, 493900, 561250, 617375, 898000, 987800, 1122500, 1234750, 1975600, 2245000, 2469500, 3086875, 4490000, 4939000, 6173750, 9878000, 12347500, 24695000, 49390000]

約数ペア:

[(1, 49390000), (2, 24695000), (4, 12347500), (5, 9878000), (8, 6173750), (10, 4939000), (11, 4490000), (16, 3086875), (20, 2469500), (22, 2245000), (25, 1975600), (40, 1234750), (44, 1122500), (50, 987800), (55, 898000), (80, 617375), (88, 561250), (100, 493900), (110, 449000), (125, 395120), (176, 280625), (200, 246950), (220, 224500), (250, 197560), (275, 179600), (400, 123475), (440, 112250), (449, 110000), (500, 98780), (550, 89800), (625, 79024), (880, 56125), (898, 55000), (1000, 49390), (1100, 44900), (1250, 39512), (1375, 35920), (1796, 27500), (2000, 24695), (2200, 22450), (2245, 22000), (2500, 19756), (2750, 17960), (3592, 13750), (4400, 11225), (4490, 11000), (4939, 10000), (5000, 9878), (5500, 8980), (6875, 7184)]