98780000

素因数分解:

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

素因数の和:490

約数の個数: 120

約数和(自身を含む): 265696200

約数和(自身を除く): 166916200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 400, 440, 449, 500, 550, 625, 800, 880, 898, 1000, 1100, 1250, 1375, 1760, 1796, 2000, 2200, 2245, 2500, 2750, 3592, 4000, 4400, 4490, 4939, 5000, 5500, 6875, 7184, 8800, 8980, 9878, 10000, 11000, 11225, 13750, 14368, 17960, 19756, 20000, 22000, 22450, 24695, 27500, 35920, 39512, 44000, 44900, 49390, 55000, 56125, 71840, 79024, 89800, 98780, 110000, 112250, 123475, 158048, 179600, 197560, 220000, 224500, 246950, 280625, 359200, 395120, 449000, 493900, 561250, 617375, 790240, 898000, 987800, 1122500, 1234750, 1796000, 1975600, 2245000, 2469500, 3086875, 3951200, 4490000, 4939000, 6173750, 8980000, 9878000, 12347500, 19756000, 24695000, 49390000, 98780000]

約数ペア:

[(1, 98780000), (2, 49390000), (4, 24695000), (5, 19756000), (8, 12347500), (10, 9878000), (11, 8980000), (16, 6173750), (20, 4939000), (22, 4490000), (25, 3951200), (32, 3086875), (40, 2469500), (44, 2245000), (50, 1975600), (55, 1796000), (80, 1234750), (88, 1122500), (100, 987800), (110, 898000), (125, 790240), (160, 617375), (176, 561250), (200, 493900), (220, 449000), (250, 395120), (275, 359200), (352, 280625), (400, 246950), (440, 224500), (449, 220000), (500, 197560), (550, 179600), (625, 158048), (800, 123475), (880, 112250), (898, 110000), (1000, 98780), (1100, 89800), (1250, 79024), (1375, 71840), (1760, 56125), (1796, 55000), (2000, 49390), (2200, 44900), (2245, 44000), (2500, 39512), (2750, 35920), (3592, 27500), (4000, 24695), (4400, 22450), (4490, 22000), (4939, 20000), (5000, 19756), (5500, 17960), (6875, 14368), (7184, 13750), (8800, 11225), (8980, 11000), (9878, 10000)]