108999680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:435

約数の個数: 88

約数和(自身を含む): 266519400

約数和(自身を除く): 157519720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 349, 488, 512, 610, 640, 698, 976, 1024, 1220, 1280, 1396, 1745, 1952, 2440, 2560, 2792, 3490, 3904, 4880, 5120, 5584, 6980, 7808, 9760, 11168, 13960, 15616, 19520, 21289, 22336, 27920, 31232, 39040, 42578, 44672, 55840, 62464, 78080, 85156, 89344, 106445, 111680, 156160, 170312, 178688, 212890, 223360, 312320, 340624, 357376, 425780, 446720, 681248, 851560, 893440, 1362496, 1703120, 1786880, 2724992, 3406240, 5449984, 6812480, 10899968, 13624960, 21799936, 27249920, 54499840, 108999680]

約数ペア:

[(1, 108999680), (2, 54499840), (4, 27249920), (5, 21799936), (8, 13624960), (10, 10899968), (16, 6812480), (20, 5449984), (32, 3406240), (40, 2724992), (61, 1786880), (64, 1703120), (80, 1362496), (122, 893440), (128, 851560), (160, 681248), (244, 446720), (256, 425780), (305, 357376), (320, 340624), (349, 312320), (488, 223360), (512, 212890), (610, 178688), (640, 170312), (698, 156160), (976, 111680), (1024, 106445), (1220, 89344), (1280, 85156), (1396, 78080), (1745, 62464), (1952, 55840), (2440, 44672), (2560, 42578), (2792, 39040), (3490, 31232), (3904, 27920), (4880, 22336), (5120, 21289), (5584, 19520), (6980, 15616), (7808, 13960), (9760, 11168)]