27280000

素因数分解:

$2^7\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 160

約数和(自身を含む): 76475520

約数和(自身を除く): 49195520

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, 275, 310, 320, 341, 352, 400, 440, 496, 500, 550, 620, 625, 640, 682, 704, 775, 800, 880, 992, 1000, 1100, 1240, 1250, 1364, 1375, 1408, 1550, 1600, 1705, 1760, 1984, 2000, 2200, 2480, 2500, 2728, 2750, 3100, 3200, 3410, 3520, 3875, 3968, 4000, 4400, 4960, 5000, 5456, 5500, 6200, 6820, 6875, 7040, 7750, 8000, 8525, 8800, 9920, 10000, 10912, 11000, 12400, 13640, 13750, 15500, 16000, 17050, 17600, 19375, 19840, 20000, 21824, 22000, 24800, 27280, 27500, 31000, 34100, 35200, 38750, 40000, 42625, 43648, 44000, 49600, 54560, 55000, 62000, 68200, 77500, 80000, 85250, 88000, 99200, 109120, 110000, 124000, 136400, 155000, 170500, 176000, 213125, 218240, 220000, 248000, 272800, 310000, 341000, 426250, 440000, 496000, 545600, 620000, 682000, 852500, 880000, 1091200, 1240000, 1364000, 1705000, 2480000, 2728000, 3410000, 5456000, 6820000, 13640000, 27280000]

約数ペア:

[(1, 27280000), (2, 13640000), (4, 6820000), (5, 5456000), (8, 3410000), (10, 2728000), (11, 2480000), (16, 1705000), (20, 1364000), (22, 1240000), (25, 1091200), (31, 880000), (32, 852500), (40, 682000), (44, 620000), (50, 545600), (55, 496000), (62, 440000), (64, 426250), (80, 341000), (88, 310000), (100, 272800), (110, 248000), (124, 220000), (125, 218240), (128, 213125), (155, 176000), (160, 170500), (176, 155000), (200, 136400), (220, 124000), (248, 110000), (250, 109120), (275, 99200), (310, 88000), (320, 85250), (341, 80000), (352, 77500), (400, 68200), (440, 62000), (496, 55000), (500, 54560), (550, 49600), (620, 44000), (625, 43648), (640, 42625), (682, 40000), (704, 38750), (775, 35200), (800, 34100), (880, 31000), (992, 27500), (1000, 27280), (1100, 24800), (1240, 22000), (1250, 21824), (1364, 20000), (1375, 19840), (1408, 19375), (1550, 17600), (1600, 17050), (1705, 16000), (1760, 15500), (1984, 13750), (2000, 13640), (2200, 12400), (2480, 11000), (2500, 10912), (2728, 10000), (2750, 9920), (3100, 8800), (3200, 8525), (3410, 8000), (3520, 7750), (3875, 7040), (3968, 6875), (4000, 6820), (4400, 6200), (4960, 5500), (5000, 5456)]