271531960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{969757}}^1$

素因数の和:969775

約数の個数: 32

約数和(自身を含む): 698225760

約数和(自身を除く): 426693800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 969757, 1939514, 3879028, 4848785, 6788299, 7758056, 9697570, 13576598, 19395140, 27153196, 33941495, 38790280, 54306392, 67882990, 135765980, 271531960]

約数ペア:

[(1, 271531960), (2, 135765980), (4, 67882990), (5, 54306392), (7, 38790280), (8, 33941495), (10, 27153196), (14, 19395140), (20, 13576598), (28, 9697570), (35, 7758056), (40, 6788299), (56, 4848785), (70, 3879028), (140, 1939514), (280, 969757)]