218240000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 220

約数和(自身を含む): 613903488

約数和(自身を除く): 395663488

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, 1024, 1100, 1240, 1250, 1280, 1364, 1375, 1408, 1550, 1600, 1705, 1760, 1984, 2000, 2200, 2480, 2500, 2560, 2728, 2750, 2816, 3100, 3200, 3410, 3520, 3875, 3968, 4000, 4400, 4960, 5000, 5120, 5456, 5500, 5632, 6200, 6400, 6820, 6875, 7040, 7750, 7936, 8000, 8525, 8800, 9920, 10000, 10912, 11000, 11264, 12400, 12800, 13640, 13750, 14080, 15500, 15872, 16000, 17050, 17600, 19375, 19840, 20000, 21824, 22000, 24800, 25600, 27280, 27500, 28160, 31000, 31744, 32000, 34100, 35200, 38750, 39680, 40000, 42625, 43648, 44000, 49600, 54560, 55000, 56320, 62000, 64000, 68200, 70400, 77500, 79360, 80000, 85250, 87296, 88000, 99200, 109120, 110000, 124000, 128000, 136400, 140800, 155000, 158720, 160000, 170500, 174592, 176000, 198400, 213125, 218240, 220000, 248000, 272800, 281600, 310000, 320000, 341000, 349184, 352000, 396800, 426250, 436480, 440000, 496000, 545600, 620000, 640000, 682000, 704000, 793600, 852500, 872960, 880000, 992000, 1091200, 1240000, 1364000, 1408000, 1705000, 1745920, 1760000, 1984000, 2182400, 2480000, 2728000, 3410000, 3520000, 3968000, 4364800, 4960000, 5456000, 6820000, 7040000, 8729600, 9920000, 10912000, 13640000, 19840000, 21824000, 27280000, 43648000, 54560000, 109120000, 218240000]

約数ペア:

[(1, 218240000), (2, 109120000), (4, 54560000), (5, 43648000), (8, 27280000), (10, 21824000), (11, 19840000), (16, 13640000), (20, 10912000), (22, 9920000), (25, 8729600), (31, 7040000), (32, 6820000), (40, 5456000), (44, 4960000), (50, 4364800), (55, 3968000), (62, 3520000), (64, 3410000), (80, 2728000), (88, 2480000), (100, 2182400), (110, 1984000), (124, 1760000), (125, 1745920), (128, 1705000), (155, 1408000), (160, 1364000), (176, 1240000), (200, 1091200), (220, 992000), (248, 880000), (250, 872960), (256, 852500), (275, 793600), (310, 704000), (320, 682000), (341, 640000), (352, 620000), (400, 545600), (440, 496000), (496, 440000), (500, 436480), (512, 426250), (550, 396800), (620, 352000), (625, 349184), (640, 341000), (682, 320000), (704, 310000), (775, 281600), (800, 272800), (880, 248000), (992, 220000), (1000, 218240), (1024, 213125), (1100, 198400), (1240, 176000), (1250, 174592), (1280, 170500), (1364, 160000), (1375, 158720), (1408, 155000), (1550, 140800), (1600, 136400), (1705, 128000), (1760, 124000), (1984, 110000), (2000, 109120), (2200, 99200), (2480, 88000), (2500, 87296), (2560, 85250), (2728, 80000), (2750, 79360), (2816, 77500), (3100, 70400), (3200, 68200), (3410, 64000), (3520, 62000), (3875, 56320), (3968, 55000), (4000, 54560), (4400, 49600), (4960, 44000), (5000, 43648), (5120, 42625), (5456, 40000), (5500, 39680), (5632, 38750), (6200, 35200), (6400, 34100), (6820, 32000), (6875, 31744), (7040, 31000), (7750, 28160), (7936, 27500), (8000, 27280), (8525, 25600), (8800, 24800), (9920, 22000), (10000, 21824), (10912, 20000), (11000, 19840), (11264, 19375), (12400, 17600), (12800, 17050), (13640, 16000), (13750, 15872), (14080, 15500)]