205810640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367519}}^1$

素因数の和:367539

約数の個数: 40

約数和(自身を含む): 546869760

約数和(自身を除く): 341059120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 367519, 735038, 1470076, 1837595, 2572633, 2940152, 3675190, 5145266, 5880304, 7350380, 10290532, 12863165, 14700760, 20581064, 25726330, 29401520, 41162128, 51452660, 102905320, 205810640]

約数ペア:

[(1, 205810640), (2, 102905320), (4, 51452660), (5, 41162128), (7, 29401520), (8, 25726330), (10, 20581064), (14, 14700760), (16, 12863165), (20, 10290532), (28, 7350380), (35, 5880304), (40, 5145266), (56, 3675190), (70, 2940152), (80, 2572633), (112, 1837595), (140, 1470076), (280, 735038), (560, 367519)]