About the Number

1904640

1904639 ← → 1904641

2進数表記:111010001000000000000

漢数字表記:百九十万四千六百四十

素因数分解:

2 12 × 3 1 × 5 1 × 31 1

素因数の和:63
約数の個数: 104
約数和(自身を含む): 6290688
約数和(自身を除く): 4386048

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2048, 2480, 2560, 2976, 3072, 3720, 3840, 3968, 4096, 4960, 5120, 5952, 6144, 7440, 7680, 7936, 9920, 10240, 11904, 12288, 14880, 15360, 15872, 19840, 20480, 23808, 29760, 30720, 31744, 39680, 47616, 59520, 61440, 63488, 79360, 95232, 119040, 126976, 158720, 190464, 238080, 317440, 380928, 476160, 634880, 952320, 1904640]

約数ペア:
[(1, 1904640), (2, 952320), (3, 634880), (4, 476160), (5, 380928), (6, 317440), (8, 238080), (10, 190464), (12, 158720), (15, 126976), (16, 119040), (20, 95232), (24, 79360), (30, 63488), (31, 61440), (32, 59520), (40, 47616), (48, 39680), (60, 31744), (62, 30720), (64, 29760), (80, 23808), (93, 20480), (96, 19840), (120, 15872), (124, 15360), (128, 14880), (155, 12288), (160, 11904), (186, 10240), (192, 9920), (240, 7936), (248, 7680), (256, 7440), (310, 6144), (320, 5952), (372, 5120), (384, 4960), (465, 4096), (480, 3968), (496, 3840), (512, 3720), (620, 3072), (640, 2976), (744, 2560), (768, 2480), (930, 2048), (960, 1984), (992, 1920), (1024, 1860), (1240, 1536), (1280, 1488)]

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