67897480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{242491}}^1$

素因数の和:242509

約数の個数: 32

約数和(自身を含む): 174594240

約数和(自身を除く): 106696760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 242491, 484982, 969964, 1212455, 1697437, 1939928, 2424910, 3394874, 4849820, 6789748, 8487185, 9699640, 13579496, 16974370, 33948740, 67897480]

約数ペア:

[(1, 67897480), (2, 33948740), (4, 16974370), (5, 13579496), (7, 9699640), (8, 8487185), (10, 6789748), (14, 4849820), (20, 3394874), (28, 2424910), (35, 1939928), (40, 1697437), (56, 1212455), (70, 969964), (140, 484982), (280, 242491)]