2728000000

素因数分解:

$2^9\times 5^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 280

約数和(自身を含む): 7672401792

約数和(自身を除く): 4944401792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 80, 88, 100, 110, 124, 125, 128, 155, 160, 176, 200, 220, 248, 250, 256, 275, 310, 320, 341, 352, 400, 440, 496, 500, 512, 550, 620, 625, 640, 682, 704, 775, 800, 880, 992, 1000, 1100, 1240, 1250, 1280, 1364, 1375, 1408, 1550, 1600, 1705, 1760, 1984, 2000, 2200, 2480, 2500, 2560, 2728, 2750, 2816, 3100, 3125, 3200, 3410, 3520, 3875, 3968, 4000, 4400, 4960, 5000, 5456, 5500, 5632, 6200, 6250, 6400, 6820, 6875, 7040, 7750, 7936, 8000, 8525, 8800, 9920, 10000, 10912, 11000, 12400, 12500, 12800, 13640, 13750, 14080, 15500, 15625, 15872, 16000, 17050, 17600, 19375, 19840, 20000, 21824, 22000, 24800, 25000, 27280, 27500, 28160, 31000, 31250, 32000, 34100, 34375, 35200, 38750, 39680, 40000, 42625, 43648, 44000, 49600, 50000, 54560, 55000, 62000, 62500, 64000, 68200, 68750, 70400, 77500, 79360, 80000, 85250, 87296, 88000, 96875, 99200, 100000, 109120, 110000, 124000, 125000, 136400, 137500, 140800, 155000, 160000, 170500, 171875, 174592, 176000, 193750, 198400, 200000, 213125, 218240, 220000, 248000, 250000, 272800, 275000, 310000, 320000, 341000, 343750, 352000, 387500, 396800, 400000, 426250, 436480, 440000, 484375, 496000, 500000, 545600, 550000, 620000, 682000, 687500, 704000, 775000, 800000, 852500, 872960, 880000, 968750, 992000, 1000000, 1065625, 1091200, 1100000, 1240000, 1364000, 1375000, 1550000, 1600000, 1705000, 1760000, 1937500, 1984000, 2000000, 2131250, 2182400, 2200000, 2480000, 2728000, 2750000, 3100000, 3410000, 3520000, 3875000, 4000000, 4262500, 4364800, 4400000, 4960000, 5328125, 5456000, 5500000, 6200000, 6820000, 7750000, 8000000, 8525000, 8800000, 9920000, 10656250, 10912000, 11000000, 12400000, 13640000, 15500000, 17050000, 17600000, 21312500, 21824000, 22000000, 24800000, 27280000, 31000000, 34100000, 42625000, 44000000, 49600000, 54560000, 62000000, 68200000, 85250000, 88000000, 109120000, 124000000, 136400000, 170500000, 248000000, 272800000, 341000000, 545600000, 682000000, 1364000000, 2728000000]

約数ペア:

[(1, 2728000000), (2, 1364000000), (4, 682000000), (5, 545600000), (8, 341000000), (10, 272800000), (11, 248000000), (16, 170500000), (20, 136400000), (22, 124000000), (25, 109120000), (31, 88000000), (32, 85250000), (40, 68200000), (44, 62000000), (50, 54560000), (55, 49600000), (62, 44000000), (64, 42625000), (80, 34100000), (88, 31000000), (100, 27280000), (110, 24800000), (124, 22000000), (125, 21824000), (128, 21312500), (155, 17600000), (160, 17050000), (176, 15500000), (200, 13640000), (220, 12400000), (248, 11000000), (250, 10912000), (256, 10656250), (275, 9920000), (310, 8800000), (320, 8525000), (341, 8000000), (352, 7750000), (400, 6820000), (440, 6200000), (496, 5500000), (500, 5456000), (512, 5328125), (550, 4960000), (620, 4400000), (625, 4364800), (640, 4262500), (682, 4000000), (704, 3875000), (775, 3520000), (800, 3410000), (880, 3100000), (992, 2750000), (1000, 2728000), (1100, 2480000), (1240, 2200000), (1250, 2182400), (1280, 2131250), (1364, 2000000), (1375, 1984000), (1408, 1937500), (1550, 1760000), (1600, 1705000), (1705, 1600000), (1760, 1550000), (1984, 1375000), (2000, 1364000), (2200, 1240000), (2480, 1100000), (2500, 1091200), (2560, 1065625), (2728, 1000000), (2750, 992000), (2816, 968750), (3100, 880000), (3125, 872960), (3200, 852500), (3410, 800000), (3520, 775000), (3875, 704000), (3968, 687500), (4000, 682000), (4400, 620000), (4960, 550000), (5000, 545600), (5456, 500000), (5500, 496000), (5632, 484375), (6200, 440000), (6250, 436480), (6400, 426250), (6820, 400000), (6875, 396800), (7040, 387500), (7750, 352000), (7936, 343750), (8000, 341000), (8525, 320000), (8800, 310000), (9920, 275000), (10000, 272800), (10912, 250000), (11000, 248000), (12400, 220000), (12500, 218240), (12800, 213125), (13640, 200000), (13750, 198400), (14080, 193750), (15500, 176000), (15625, 174592), (15872, 171875), (16000, 170500), (17050, 160000), (17600, 155000), (19375, 140800), (19840, 137500), (20000, 136400), (21824, 125000), (22000, 124000), (24800, 110000), (25000, 109120), (27280, 100000), (27500, 99200), (28160, 96875), (31000, 88000), (31250, 87296), (32000, 85250), (34100, 80000), (34375, 79360), (35200, 77500), (38750, 70400), (39680, 68750), (40000, 68200), (42625, 64000), (43648, 62500), (44000, 62000), (49600, 55000), (50000, 54560)]