1984000000

素因数分解:

$2^{12}\times 5^6\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 182

約数和(自身を含む): 5119309472

約数和(自身を除く): 3135309472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 512, 620, 625, 640, 775, 800, 992, 1000, 1024, 1240, 1250, 1280, 1550, 1600, 1984, 2000, 2048, 2480, 2500, 2560, 3100, 3125, 3200, 3875, 3968, 4000, 4096, 4960, 5000, 5120, 6200, 6250, 6400, 7750, 7936, 8000, 9920, 10000, 10240, 12400, 12500, 12800, 15500, 15625, 15872, 16000, 19375, 19840, 20000, 20480, 24800, 25000, 25600, 31000, 31250, 31744, 32000, 38750, 39680, 40000, 49600, 50000, 51200, 62000, 62500, 63488, 64000, 77500, 79360, 80000, 96875, 99200, 100000, 102400, 124000, 125000, 126976, 128000, 155000, 158720, 160000, 193750, 198400, 200000, 248000, 250000, 256000, 310000, 317440, 320000, 387500, 396800, 400000, 484375, 496000, 500000, 512000, 620000, 634880, 640000, 775000, 793600, 800000, 968750, 992000, 1000000, 1240000, 1280000, 1550000, 1587200, 1600000, 1937500, 1984000, 2000000, 2480000, 2560000, 3100000, 3174400, 3200000, 3875000, 3968000, 4000000, 4960000, 6200000, 6400000, 7750000, 7936000, 8000000, 9920000, 12400000, 12800000, 15500000, 15872000, 16000000, 19840000, 24800000, 31000000, 32000000, 39680000, 49600000, 62000000, 64000000, 79360000, 99200000, 124000000, 198400000, 248000000, 396800000, 496000000, 992000000, 1984000000]

約数ペア:

[(1, 1984000000), (2, 992000000), (4, 496000000), (5, 396800000), (8, 248000000), (10, 198400000), (16, 124000000), (20, 99200000), (25, 79360000), (31, 64000000), (32, 62000000), (40, 49600000), (50, 39680000), (62, 32000000), (64, 31000000), (80, 24800000), (100, 19840000), (124, 16000000), (125, 15872000), (128, 15500000), (155, 12800000), (160, 12400000), (200, 9920000), (248, 8000000), (250, 7936000), (256, 7750000), (310, 6400000), (320, 6200000), (400, 4960000), (496, 4000000), (500, 3968000), (512, 3875000), (620, 3200000), (625, 3174400), (640, 3100000), (775, 2560000), (800, 2480000), (992, 2000000), (1000, 1984000), (1024, 1937500), (1240, 1600000), (1250, 1587200), (1280, 1550000), (1550, 1280000), (1600, 1240000), (1984, 1000000), (2000, 992000), (2048, 968750), (2480, 800000), (2500, 793600), (2560, 775000), (3100, 640000), (3125, 634880), (3200, 620000), (3875, 512000), (3968, 500000), (4000, 496000), (4096, 484375), (4960, 400000), (5000, 396800), (5120, 387500), (6200, 320000), (6250, 317440), (6400, 310000), (7750, 256000), (7936, 250000), (8000, 248000), (9920, 200000), (10000, 198400), (10240, 193750), (12400, 160000), (12500, 158720), (12800, 155000), (15500, 128000), (15625, 126976), (15872, 125000), (16000, 124000), (19375, 102400), (19840, 100000), (20000, 99200), (20480, 96875), (24800, 80000), (25000, 79360), (25600, 77500), (31000, 64000), (31250, 63488), (31744, 62500), (32000, 62000), (38750, 51200), (39680, 50000), (40000, 49600)]