209719150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{220757}}^1$

素因数の和:220788

約数の個数: 24

約数和(自身を含む): 410609880

約数和(自身を除く): 200890730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 220757, 441514, 1103785, 2207570, 4194383, 5518925, 8388766, 11037850, 20971915, 41943830, 104859575, 209719150]

約数ペア:

[(1, 209719150), (2, 104859575), (5, 41943830), (10, 20971915), (19, 11037850), (25, 8388766), (38, 5518925), (50, 4194383), (95, 2207570), (190, 1103785), (475, 441514), (950, 220757)]